Home / 11,488,660,133.78-17,208,856,821.84-7,289,451,457.62

Finding the Fourth Proportional to 11,488,660,133.78, 17,208,856,821.84 and 7,289,451,457.62

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Solution

The fourth proportional to 11,488,660,133.78, 17,208,856,821.84 and 7,289,451,457.62 is: 10,918,864,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488,660,133.78 : 17,208,856,821.84 = 7,289,451,457.62 : x
  2. Step 2: Convert to fraction form
    11,488,660,133.78/17,208,856,821.84 = 7,289,451,457.62/x
  3. Step 3: Cross multiply
    11,488,660,133.78x = 17,208,856,821.84 × 7,289,451,457.62
  4. Step 4: Simplify right side
    11,488,660,133.78x = 125,443,126,443,935,465,472
  5. Step 5: Solve for x
    x = 125,443,126,443,935,465,472/11,488,660,133.78
  6. Step 6: Final answer
    x = 10,918,864,774.76

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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.