Home / 13,226,965,996.68-18,253,205,028.30-7,286,518,498.68

Finding the Fourth Proportional to 13,226,965,996.68, 18,253,205,028.30 and 7,286,518,498.68

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Solution

The fourth proportional to 13,226,965,996.68, 18,253,205,028.30 and 7,286,518,498.68 is: 10,055,391,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,965,996.68 : 18,253,205,028.30 = 7,286,518,498.68 : x
  2. Step 2: Convert to fraction form
    13,226,965,996.68/18,253,205,028.30 = 7,286,518,498.68/x
  3. Step 3: Cross multiply
    13,226,965,996.68x = 18,253,205,028.30 × 7,286,518,498.68
  4. Step 4: Simplify right side
    13,226,965,996.68x = 133,002,316,098,906,750,976
  5. Step 5: Solve for x
    x = 133,002,316,098,906,750,976/13,226,965,996.68
  6. Step 6: Final answer
    x = 10,055,391,095.15

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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.