Finding the Fourth Proportional to 715,293,022.05, 987,113,267.55 and 433,031,716.17
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Solution
The fourth proportional to 715,293,022.05, 987,113,267.55 and 433,031,716.17 is: 597,589,154.55
Step by Step Solution
- Step 1: Write the proportion equation
715,293,022.05 : 987,113,267.55 = 433,031,716.17 : x - Step 2: Convert to fraction form
715,293,022.05/987,113,267.55 = 433,031,716.17/x - Step 3: Cross multiply
715,293,022.05x = 987,113,267.55 × 433,031,716.17 - Step 4: Simplify right side
715,293,022.05x = 427,451,352,301,352,896 - Step 5: Solve for x
x = 427,451,352,301,352,896/715,293,022.05 - Step 6: Final answer
x = 597,589,154.55
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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.