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Finding the Fourth Proportional to 74,313,262,859.90, 111,469,894,289.86 and 74,313,262,859.90

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Solution

The fourth proportional to 74,313,262,859.90, 111,469,894,289.86 and 74,313,262,859.90 is: 111,469,894,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,262,859.90 : 111,469,894,289.86 = 74,313,262,859.90 : x
  2. Step 2: Convert to fraction form
    74,313,262,859.90/111,469,894,289.86 = 74,313,262,859.90/x
  3. Step 3: Cross multiply
    74,313,262,859.90x = 111,469,894,289.86 × 74,313,262,859.90
  4. Step 4: Simplify right side
    74,313,262,859.90x = 8,283,691,555,327,631,687,680
  5. Step 5: Solve for x
    x = 8,283,691,555,327,631,687,680/74,313,262,859.90
  6. Step 6: Final answer
    x = 111,469,894,289.86

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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.