Home / 732,527,428.80-1,098,791,143.20-272,370,381.60

Finding the Fourth Proportional to 732,527,428.80, 1,098,791,143.20 and 272,370,381.60

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Solution

The fourth proportional to 732,527,428.80, 1,098,791,143.20 and 272,370,381.60 is: 408,555,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,527,428.80 : 1,098,791,143.20 = 272,370,381.60 : x
  2. Step 2: Convert to fraction form
    732,527,428.80/1,098,791,143.20 = 272,370,381.60/x
  3. Step 3: Cross multiply
    732,527,428.80x = 1,098,791,143.20 × 272,370,381.60
  4. Step 4: Simplify right side
    732,527,428.80x = 299,278,162,972,084,288
  5. Step 5: Solve for x
    x = 299,278,162,972,084,288/732,527,428.80
  6. Step 6: Final answer
    x = 408,555,572.40

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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.