Finding the Fourth Proportional to 674,960,376.20, 1,011,895,725.24 and 620,479,374.08
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Solution
The fourth proportional to 674,960,376.20, 1,011,895,725.24 and 620,479,374.08 is: 930,218,200.02
Step by Step Solution
- Step 1: Write the proportion equation
674,960,376.20 : 1,011,895,725.24 = 620,479,374.08 : x - Step 2: Convert to fraction form
674,960,376.20/1,011,895,725.24 = 620,479,374.08/x - Step 3: Cross multiply
674,960,376.20x = 1,011,895,725.24 × 620,479,374.08 - Step 4: Simplify right side
674,960,376.20x = 627,860,426,231,142,912 - Step 5: Solve for x
x = 627,860,426,231,142,912/674,960,376.20 - Step 6: Final answer
x = 930,218,200.02
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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.