What Is Neptune's Scaled Radius in a Scaled Solar System?

[autumnrose3]

Homework Statement

In a scaled solar system: Earth's radius is 6,375 km, it's scaled radius is 12.75 cm. Neptune has a radius of 24,766 km; using centimeters, what would the scaled radius of Neptune be??

Homework Equations

I'm not sure what to put here; I put down what I tried below.

The Attempt at a Solution

12.75 cm
________ ... = ... ______________
637,500,000 cm ..... 2,476,600,000 cm

x= 49.532 cm


Did I do this right??

 

[Delphi51]

yes.

 

[autumnrose3]

Phew, thanks!