Home / 20,469,535,811.64-28,246,206,247.38-11,779,272,436.68

Finding the Fourth Proportional to 20,469,535,811.64, 28,246,206,247.38 and 11,779,272,436.68

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Solution

The fourth proportional to 20,469,535,811.64, 28,246,206,247.38 and 11,779,272,436.68 is: 16,254,387,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,535,811.64 : 28,246,206,247.38 = 11,779,272,436.68 : x
  2. Step 2: Convert to fraction form
    20,469,535,811.64/28,246,206,247.38 = 11,779,272,436.68/x
  3. Step 3: Cross multiply
    20,469,535,811.64x = 28,246,206,247.38 × 11,779,272,436.68
  4. Step 4: Simplify right side
    20,469,535,811.64x = 332,719,758,690,541,699,072
  5. Step 5: Solve for x
    x = 332,719,758,690,541,699,072/20,469,535,811.64
  6. Step 6: Final answer
    x = 16,254,387,092.71

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1.5x scale

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.