Home / 732,088,856.10-1,098,319,158.18-338,899,148.58

Finding the Fourth Proportional to 732,088,856.10, 1,098,319,158.18 and 338,899,148.58

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Solution

The fourth proportional to 732,088,856.10, 1,098,319,158.18 and 338,899,148.58 is: 508,434,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,088,856.10 : 1,098,319,158.18 = 338,899,148.58 : x
  2. Step 2: Convert to fraction form
    732,088,856.10/1,098,319,158.18 = 338,899,148.58/x
  3. Step 3: Cross multiply
    732,088,856.10x = 1,098,319,158.18 × 338,899,148.58
  4. Step 4: Simplify right side
    732,088,856.10x = 372,219,427,576,304,320
  5. Step 5: Solve for x
    x = 372,219,427,576,304,320/732,088,856.10
  6. Step 6: Final answer
    x = 508,434,767.82

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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.