Home / 21,559,157,496.43-29,753,247,810.65-12,406,491,932.87

Finding the Fourth Proportional to 21,559,157,496.43, 29,753,247,810.65 and 12,406,491,932.87

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Solution

The fourth proportional to 21,559,157,496.43, 29,753,247,810.65 and 12,406,491,932.87 is: 17,121,885,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,157,496.43 : 29,753,247,810.65 = 12,406,491,932.87 : x
  2. Step 2: Convert to fraction form
    21,559,157,496.43/29,753,247,810.65 = 12,406,491,932.87/x
  3. Step 3: Cross multiply
    21,559,157,496.43x = 29,753,247,810.65 × 12,406,491,932.87
  4. Step 4: Simplify right side
    21,559,157,496.43x = 369,133,428,939,508,678,656
  5. Step 5: Solve for x
    x = 369,133,428,939,508,678,656/21,559,157,496.43
  6. Step 6: Final answer
    x = 17,121,885,630.30

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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.