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Finding the Fourth Proportional to 83,801,479,505.85, 125,702,219,258.78 and 83,801,479,505.85

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Solution

The fourth proportional to 83,801,479,505.85, 125,702,219,258.78 and 83,801,479,505.85 is: 125,702,219,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,801,479,505.85 : 125,702,219,258.78 = 83,801,479,505.85 : x
  2. Step 2: Convert to fraction form
    83,801,479,505.85/125,702,219,258.78 = 83,801,479,505.85/x
  3. Step 3: Cross multiply
    83,801,479,505.85x = 125,702,219,258.78 × 83,801,479,505.85
  4. Step 4: Simplify right side
    83,801,479,505.85x = 10,534,031,951,054,516,518,912
  5. Step 5: Solve for x
    x = 10,534,031,951,054,516,518,912/83,801,479,505.85
  6. Step 6: Final answer
    x = 125,702,219,258.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.