Home / 71,327,864,447.35-98,432,516,266.82-39,213,772,988.11

Finding the Fourth Proportional to 71,327,864,447.35, 98,432,516,266.82 and 39,213,772,988.11

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Solution

The fourth proportional to 71,327,864,447.35, 98,432,516,266.82 and 39,213,772,988.11 is: 54,115,041,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327,864,447.35 : 98,432,516,266.82 = 39,213,772,988.11 : x
  2. Step 2: Convert to fraction form
    71,327,864,447.35/98,432,516,266.82 = 39,213,772,988.11/x
  3. Step 3: Cross multiply
    71,327,864,447.35x = 98,432,516,266.82 × 39,213,772,988.11
  4. Step 4: Simplify right side
    71,327,864,447.35x = 3,859,910,347,535,760,752,640
  5. Step 5: Solve for x
    x = 3,859,910,347,535,760,752,640/71,327,864,447.35
  6. Step 6: Final answer
    x = 54,115,041,540.11

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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.