Home / 27,944,734,920.60-38,567,115,876.78-15,904,673,213.88

Finding the Fourth Proportional to 27,944,734,920.60, 38,567,115,876.78 and 15,904,673,213.88

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Solution

The fourth proportional to 27,944,734,920.60, 38,567,115,876.78 and 15,904,673,213.88 is: 21,950,373,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,944,734,920.60 : 38,567,115,876.78 = 15,904,673,213.88 : x
  2. Step 2: Convert to fraction form
    27,944,734,920.60/38,567,115,876.78 = 15,904,673,213.88/x
  3. Step 3: Cross multiply
    27,944,734,920.60x = 38,567,115,876.78 × 15,904,673,213.88
  4. Step 4: Simplify right side
    27,944,734,920.60x = 613,397,374,822,028,935,168
  5. Step 5: Solve for x
    x = 613,397,374,822,028,935,168/27,944,734,920.60
  6. Step 6: Final answer
    x = 21,950,373,713.15

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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.