Home / 508,469,644.20-762,803,999.10-217,336,204.20

Finding the Fourth Proportional to 508,469,644.20, 762,803,999.10 and 217,336,204.20

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Solution

The fourth proportional to 508,469,644.20, 762,803,999.10 and 217,336,204.20 is: 326,046,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,469,644.20 : 762,803,999.10 = 217,336,204.20 : x
  2. Step 2: Convert to fraction form
    508,469,644.20/762,803,999.10 = 217,336,204.20/x
  3. Step 3: Cross multiply
    508,469,644.20x = 762,803,999.10 × 217,336,204.20
  4. Step 4: Simplify right side
    508,469,644.20x = 165,784,925,712,974,208
  5. Step 5: Solve for x
    x = 165,784,925,712,974,208/508,469,644.20
  6. Step 6: Final answer
    x = 326,046,849.81

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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.