Finding the Fourth Proportional to 649,653,451.20, 974,480,176.80 and 496,598,443.20
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Solution
The fourth proportional to 649,653,451.20, 974,480,176.80 and 496,598,443.20 is: 744,897,664.80
Step by Step Solution
- Step 1: Write the proportion equation
649,653,451.20 : 974,480,176.80 = 496,598,443.20 : x - Step 2: Convert to fraction form
649,653,451.20/974,480,176.80 = 496,598,443.20/x - Step 3: Cross multiply
649,653,451.20x = 974,480,176.80 × 496,598,443.20 - Step 4: Simplify right side
649,653,451.20x = 483,925,338,728,140,736 - Step 5: Solve for x
x = 483,925,338,728,140,736/649,653,451.20 - Step 6: Final answer
x = 744,897,664.80
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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.