Home / 20,765,687,524.32-28,656,275,236.89-11,733,251,701.17

Finding the Fourth Proportional to 20,765,687,524.32, 28,656,275,236.89 and 11,733,251,701.17

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Solution

The fourth proportional to 20,765,687,524.32, 28,656,275,236.89 and 11,733,251,701.17 is: 16,191,676,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,765,687,524.32 : 28,656,275,236.89 = 11,733,251,701.17 : x
  2. Step 2: Convert to fraction form
    20,765,687,524.32/28,656,275,236.89 = 11,733,251,701.17/x
  3. Step 3: Cross multiply
    20,765,687,524.32x = 28,656,275,236.89 × 11,733,251,701.17
  4. Step 4: Simplify right side
    20,765,687,524.32x = 336,231,290,172,538,224,640
  5. Step 5: Solve for x
    x = 336,231,290,172,538,224,640/20,765,687,524.32
  6. Step 6: Final answer
    x = 16,191,676,282.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.