Is the ration of 3/4 the same as the fraction of 3/4

I'm confused on this could anyone me and show me what i need to do to solve it.

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

Perform the indicated operation. y^2 + 3y - 10 / 3y + 15