Finding the Fourth Proportional to 647,694,314.40, 971,541,471.60 and 531,468,167.70
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Solution
The fourth proportional to 647,694,314.40, 971,541,471.60 and 531,468,167.70 is: 797,202,251.55
Step by Step Solution
- Step 1: Write the proportion equation
647,694,314.40 : 971,541,471.60 = 531,468,167.70 : x - Step 2: Convert to fraction form
647,694,314.40/971,541,471.60 = 531,468,167.70/x - Step 3: Cross multiply
647,694,314.40x = 971,541,471.60 × 531,468,167.70 - Step 4: Simplify right side
647,694,314.40x = 516,343,365,755,813,568 - Step 5: Solve for x
x = 516,343,365,755,813,568/647,694,314.40 - Step 6: Final answer
x = 797,202,251.55
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Similar ratio
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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.