Home / 11,488,660,145.28-17,208,856,839.12-7,289,451,469.14

Finding the Fourth Proportional to 11,488,660,145.28, 17,208,856,839.12 and 7,289,451,469.14

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Solution

The fourth proportional to 11,488,660,145.28, 17,208,856,839.12 and 7,289,451,469.14 is: 10,918,864,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488,660,145.28 : 17,208,856,839.12 = 7,289,451,469.14 : x
  2. Step 2: Convert to fraction form
    11,488,660,145.28/17,208,856,839.12 = 7,289,451,469.14/x
  3. Step 3: Cross multiply
    11,488,660,145.28x = 17,208,856,839.12 × 7,289,451,469.14
  4. Step 4: Simplify right side
    11,488,660,145.28x = 125,443,126,768,143,220,736
  5. Step 5: Solve for x
    x = 125,443,126,768,143,220,736/11,488,660,145.28
  6. Step 6: Final answer
    x = 10,918,864,792.05

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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.