Finding the Fourth Proportional to 674,960,377.20, 1,011,895,726.74 and 620,479,375.08
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Solution
The fourth proportional to 674,960,377.20, 1,011,895,726.74 and 620,479,375.08 is: 930,218,201.52
Step by Step Solution
- Step 1: Write the proportion equation
674,960,377.20 : 1,011,895,726.74 = 620,479,375.08 : x - Step 2: Convert to fraction form
674,960,377.20/1,011,895,726.74 = 620,479,375.08/x - Step 3: Cross multiply
674,960,377.20x = 1,011,895,726.74 × 620,479,375.08 - Step 4: Simplify right side
674,960,377.20x = 627,860,428,173,757,696 - Step 5: Solve for x
x = 627,860,428,173,757,696/674,960,377.20 - Step 6: Final answer
x = 930,218,201.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.