Finding the Fourth Proportional to 649,653,560.70, 974,480,341.05 and 496,598,552.70
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Solution
The fourth proportional to 649,653,560.70, 974,480,341.05 and 496,598,552.70 is: 744,897,829.05
Step by Step Solution
- Step 1: Write the proportion equation
649,653,560.70 : 974,480,341.05 = 496,598,552.70 : x - Step 2: Convert to fraction form
649,653,560.70/974,480,341.05 = 496,598,552.70/x - Step 3: Cross multiply
649,653,560.70x = 974,480,341.05 × 496,598,552.70 - Step 4: Simplify right side
649,653,560.70x = 483,925,527,000,032,384 - Step 5: Solve for x
x = 483,925,527,000,032,384/649,653,560.70 - Step 6: Final answer
x = 744,897,829.05
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Double scale
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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.