Home / 80,662,769,982.86-111,324,383,624.43-45,909,040,285.76

Finding the Fourth Proportional to 80,662,769,982.86, 111,324,383,624.43 and 45,909,040,285.76

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Solution

The fourth proportional to 80,662,769,982.86, 111,324,383,624.43 and 45,909,040,285.76 is: 63,360,031,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,662,769,982.86 : 111,324,383,624.43 = 45,909,040,285.76 : x
  2. Step 2: Convert to fraction form
    80,662,769,982.86/111,324,383,624.43 = 45,909,040,285.76/x
  3. Step 3: Cross multiply
    80,662,769,982.86x = 111,324,383,624.43 × 45,909,040,285.76
  4. Step 4: Simplify right side
    80,662,769,982.86x = 5,110,795,612,601,246,023,680
  5. Step 5: Solve for x
    x = 5,110,795,612,601,246,023,680/80,662,769,982.86
  6. Step 6: Final answer
    x = 63,360,031,073.66

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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.