Finding the Fourth Proportional to 746,498,475.60, 1,119,747,713.40 and 383,029,573.20
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Solution
The fourth proportional to 746,498,475.60, 1,119,747,713.40 and 383,029,573.20 is: 574,544,359.80
Step by Step Solution
- Step 1: Write the proportion equation
746,498,475.60 : 1,119,747,713.40 = 383,029,573.20 : x - Step 2: Convert to fraction form
746,498,475.60/1,119,747,713.40 = 383,029,573.20/x - Step 3: Cross multiply
746,498,475.60x = 1,119,747,713.40 × 383,029,573.20 - Step 4: Simplify right side
746,498,475.60x = 428,896,488,755,277,952 - Step 5: Solve for x
x = 428,896,488,755,277,952/746,498,475.60 - Step 6: Final answer
x = 574,544,359.80
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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.