Home / 80,662,770,154.42-111,324,383,861.27-45,909,040,458.10

Finding the Fourth Proportional to 80,662,770,154.42, 111,324,383,861.27 and 45,909,040,458.10

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Solution

The fourth proportional to 80,662,770,154.42, 111,324,383,861.27 and 45,909,040,458.10 is: 63,360,031,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,662,770,154.42 : 111,324,383,861.27 = 45,909,040,458.10 : x
  2. Step 2: Convert to fraction form
    80,662,770,154.42/111,324,383,861.27 = 45,909,040,458.10/x
  3. Step 3: Cross multiply
    80,662,770,154.42x = 111,324,383,861.27 × 45,909,040,458.10
  4. Step 4: Simplify right side
    80,662,770,154.42x = 5,110,795,642,659,654,336,512
  5. Step 5: Solve for x
    x = 5,110,795,642,659,654,336,512/80,662,770,154.42
  6. Step 6: Final answer
    x = 63,360,031,311.54

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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.