Home / 20,155,444,818.30-30,233,167,227.45-7,070,564,331.90

Finding the Fourth Proportional to 20,155,444,818.30, 30,233,167,227.45 and 7,070,564,331.90

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Solution

The fourth proportional to 20,155,444,818.30, 30,233,167,227.45 and 7,070,564,331.90 is: 10,605,846,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,444,818.30 : 30,233,167,227.45 = 7,070,564,331.90 : x
  2. Step 2: Convert to fraction form
    20,155,444,818.30/30,233,167,227.45 = 7,070,564,331.90/x
  3. Step 3: Cross multiply
    20,155,444,818.30x = 30,233,167,227.45 × 7,070,564,331.90
  4. Step 4: Simplify right side
    20,155,444,818.30x = 213,765,553,838,775,992,320
  5. Step 5: Solve for x
    x = 213,765,553,838,775,992,320/20,155,444,818.30
  6. Step 6: Final answer
    x = 10,605,846,497.85

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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.