Home / 11,488,660,129.77-17,208,856,815.85-7,289,451,453.61

Finding the Fourth Proportional to 11,488,660,129.77, 17,208,856,815.85 and 7,289,451,453.61

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Solution

The fourth proportional to 11,488,660,129.77, 17,208,856,815.85 and 7,289,451,453.61 is: 10,918,864,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488,660,129.77 : 17,208,856,815.85 = 7,289,451,453.61 : x
  2. Step 2: Convert to fraction form
    11,488,660,129.77/17,208,856,815.85 = 7,289,451,453.61/x
  3. Step 3: Cross multiply
    11,488,660,129.77x = 17,208,856,815.85 × 7,289,451,453.61
  4. Step 4: Simplify right side
    11,488,660,129.77x = 125,443,126,331,264,122,880
  5. Step 5: Solve for x
    x = 125,443,126,331,264,122,880/11,488,660,129.77
  6. Step 6: Final answer
    x = 10,918,864,768.77

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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.