Home / 21,244,515,600.03-29,320,002,339.08-12,091,269,918.71

Finding the Fourth Proportional to 21,244,515,600.03, 29,320,002,339.08 and 12,091,269,918.71

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Solution

The fourth proportional to 21,244,515,600.03, 29,320,002,339.08 and 12,091,269,918.71 is: 16,687,415,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,515,600.03 : 29,320,002,339.08 = 12,091,269,918.71 : x
  2. Step 2: Convert to fraction form
    21,244,515,600.03/29,320,002,339.08 = 12,091,269,918.71/x
  3. Step 3: Cross multiply
    21,244,515,600.03x = 29,320,002,339.08 × 12,091,269,918.71
  4. Step 4: Simplify right side
    21,244,515,600.03x = 354,516,062,298,817,822,720
  5. Step 5: Solve for x
    x = 354,516,062,298,817,822,720/21,244,515,600.03
  6. Step 6: Final answer
    x = 16,687,415,659.33

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Double scale
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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.