Finding the Fourth Proportional to 777,221,247.92, 1,164,645,557.01 and 461,465,489.75
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Solution
The fourth proportional to 777,221,247.92, 1,164,645,557.01 and 461,465,489.75 is: 691,493,874.86
Step by Step Solution
- Step 1: Write the proportion equation
777,221,247.92 : 1,164,645,557.01 = 461,465,489.75 : x - Step 2: Convert to fraction form
777,221,247.92/1,164,645,557.01 = 461,465,489.75/x - Step 3: Cross multiply
777,221,247.92x = 1,164,645,557.01 × 461,465,489.75 - Step 4: Simplify right side
777,221,247.92x = 537,443,732,344,957,952 - Step 5: Solve for x
x = 537,443,732,344,957,952/777,221,247.92 - Step 6: Final answer
x = 691,493,874.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.