Finding the Fourth Proportional to 732,527,404.80, 1,098,791,107.20 and 272,370,357.60
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Solution
The fourth proportional to 732,527,404.80, 1,098,791,107.20 and 272,370,357.60 is: 408,555,536.40
Step by Step Solution
- Step 1: Write the proportion equation
732,527,404.80 : 1,098,791,107.20 = 272,370,357.60 : x - Step 2: Convert to fraction form
732,527,404.80/1,098,791,107.20 = 272,370,357.60/x - Step 3: Cross multiply
732,527,404.80x = 1,098,791,107.20 × 272,370,357.60 - Step 4: Simplify right side
732,527,404.80x = 299,278,126,795,763,968 - Step 5: Solve for x
x = 299,278,126,795,763,968/732,527,404.80 - Step 6: Final answer
x = 408,555,536.40
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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.