The four largest countries by land area are; Russia, Canada, China and the US.
Four Largest Countries by Area in the Americas:CanadaUnited StatesBrazilArgentina
I'm not sure of the intent of your question. Do you want to know the fourth largest country in land area or the four largest countries in land area (size)? I will answer both. The fourth largest country in the world is the USA. The four largest countries are as follows; Russia, Canada, China and the USA.
Sweden is the largest Scandinavian country
The four largest countries on the western hemisphere are included in the top four largest in the world. The top four countries are: Canada (2nd in the world), U.S.A. (3rd in the world), Brazil, and Argentina.
USA, Canada, Argentina, Brazil
The four largest countries in the Western hemisphere are Canada, USA, Mexico, and Brazil.
The four countries with the largest land areas in the western hemisphere are Canada, united states, Brazil, and Argentina
The four countries with the largest land area in the western hemisphere are (from the largest): Canada, United States, Brazil, and Argentina. Canada is also the second largest in the world.
Ethiopia is the largest of the four in area and population.
Russia, China, India, and Kazakhstan.
Canada, USA, Brazil, Argentina.