Finding the Fourth Proportional to 508,909,517.70, 763,364,276.55 and 125,957,069.70
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Solution
The fourth proportional to 508,909,517.70, 763,364,276.55 and 125,957,069.70 is: 188,935,604.55
Step by Step Solution
- Step 1: Write the proportion equation
508,909,517.70 : 763,364,276.55 = 125,957,069.70 : x - Step 2: Convert to fraction form
508,909,517.70/763,364,276.55 = 125,957,069.70/x - Step 3: Cross multiply
508,909,517.70x = 763,364,276.55 × 125,957,069.70 - Step 4: Simplify right side
508,909,517.70x = 96,151,127,387,898,416 - Step 5: Solve for x
x = 96,151,127,387,898,416/508,909,517.70 - Step 6: Final answer
x = 188,935,604.55
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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.