Home / 20,811,970,286.88-28,719,775,891.08-11,779,534,463.80

Finding the Fourth Proportional to 20,811,970,286.88, 28,719,775,891.08 and 11,779,534,463.80

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Solution

The fourth proportional to 20,811,970,286.88, 28,719,775,891.08 and 11,779,534,463.80 is: 16,255,336,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,811,970,286.88 : 28,719,775,891.08 = 11,779,534,463.80 : x
  2. Step 2: Convert to fraction form
    20,811,970,286.88/28,719,775,891.08 = 11,779,534,463.80/x
  3. Step 3: Cross multiply
    20,811,970,286.88x = 28,719,775,891.08 × 11,779,534,463.80
  4. Step 4: Simplify right side
    20,811,970,286.88x = 338,305,589,901,589,217,280
  5. Step 5: Solve for x
    x = 338,305,589,901,589,217,280/20,811,970,286.88
  6. Step 6: Final answer
    x = 16,255,336,964.17

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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.