Finding the Fourth Proportional to 724,497,671.70, 1,086,746,507.55 and 724,497,671.70
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Solution
The fourth proportional to 724,497,671.70, 1,086,746,507.55 and 724,497,671.70 is: 1,086,746,507.55
Step by Step Solution
- Step 1: Write the proportion equation
724,497,671.70 : 1,086,746,507.55 = 724,497,671.70 : x - Step 2: Convert to fraction form
724,497,671.70/1,086,746,507.55 = 724,497,671.70/x - Step 3: Cross multiply
724,497,671.70x = 1,086,746,507.55 × 724,497,671.70 - Step 4: Simplify right side
724,497,671.70x = 787,345,314,448,081,536 - Step 5: Solve for x
x = 787,345,314,448,081,536/724,497,671.70 - Step 6: Final answer
x = 1,086,746,507.55
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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.