Home / 11,488,660,128.77-17,208,856,814.36-7,289,451,452.61

Finding the Fourth Proportional to 11,488,660,128.77, 17,208,856,814.36 and 7,289,451,452.61

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Solution

The fourth proportional to 11,488,660,128.77, 17,208,856,814.36 and 7,289,451,452.61 is: 10,918,864,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488,660,128.77 : 17,208,856,814.36 = 7,289,451,452.61 : x
  2. Step 2: Convert to fraction form
    11,488,660,128.77/17,208,856,814.36 = 7,289,451,452.61/x
  3. Step 3: Cross multiply
    11,488,660,128.77x = 17,208,856,814.36 × 7,289,451,452.61
  4. Step 4: Simplify right side
    11,488,660,128.77x = 125,443,126,303,157,534,720
  5. Step 5: Solve for x
    x = 125,443,126,303,157,534,720/11,488,660,128.77
  6. Step 6: Final answer
    x = 10,918,864,767.27

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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.