Home / 392,087,962.43-588,195,829.95-115,767,108.83

Finding the Fourth Proportional to 392,087,962.43, 588,195,829.95 and 115,767,108.83

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Solution

The fourth proportional to 392,087,962.43, 588,195,829.95 and 115,767,108.83 is: 173,669,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,087,962.43 : 588,195,829.95 = 115,767,108.83 : x
  2. Step 2: Convert to fraction form
    392,087,962.43/588,195,829.95 = 115,767,108.83/x
  3. Step 3: Cross multiply
    392,087,962.43x = 588,195,829.95 × 115,767,108.83
  4. Step 4: Simplify right side
    392,087,962.43x = 68,093,730,655,654,016
  5. Step 5: Solve for x
    x = 68,093,730,655,654,016/392,087,962.43
  6. Step 6: Final answer
    x = 173,669,526.18

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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.