Finding the Fourth Proportional to 508,700,153.70, 763,050,230.55 and 125,747,705.70
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Solution
The fourth proportional to 508,700,153.70, 763,050,230.55 and 125,747,705.70 is: 188,621,558.55
Step by Step Solution
- Step 1: Write the proportion equation
508,700,153.70 : 763,050,230.55 = 125,747,705.70 : x - Step 2: Convert to fraction form
508,700,153.70/763,050,230.55 = 125,747,705.70/x - Step 3: Cross multiply
508,700,153.70x = 763,050,230.55 × 125,747,705.70 - Step 4: Simplify right side
508,700,153.70x = 95,951,815,825,518,544 - Step 5: Solve for x
x = 95,951,815,825,518,544/508,700,153.70 - Step 6: Final answer
x = 188,621,558.55
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Similar ratio
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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.