Finding the Fourth Proportional to 716,049,419.43, 987,302,759.97 and 490,097,248.05
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Solution
The fourth proportional to 716,049,419.43, 987,302,759.97 and 490,097,248.05 is: 675,755,544.97
Step by Step Solution
- Step 1: Write the proportion equation
716,049,419.43 : 987,302,759.97 = 490,097,248.05 : x - Step 2: Convert to fraction form
716,049,419.43/987,302,759.97 = 490,097,248.05/x - Step 3: Cross multiply
716,049,419.43x = 987,302,759.97 × 490,097,248.05 - Step 4: Simplify right side
716,049,419.43x = 483,874,365,653,466,752 - Step 5: Solve for x
x = 483,874,365,653,466,752/716,049,419.43 - Step 6: Final answer
x = 675,755,544.97
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.