Home / 12,525,668,778.28-17,285,491,248.96-7,375,940,928.04

Finding the Fourth Proportional to 12,525,668,778.28, 17,285,491,248.96 and 7,375,940,928.04

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Solution

The fourth proportional to 12,525,668,778.28, 17,285,491,248.96 and 7,375,940,928.04 is: 10,178,838,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525,668,778.28 : 17,285,491,248.96 = 7,375,940,928.04 : x
  2. Step 2: Convert to fraction form
    12,525,668,778.28/17,285,491,248.96 = 7,375,940,928.04/x
  3. Step 3: Cross multiply
    12,525,668,778.28x = 17,285,491,248.96 × 7,375,940,928.04
  4. Step 4: Simplify right side
    12,525,668,778.28x = 127,496,762,364,481,306,624
  5. Step 5: Solve for x
    x = 127,496,762,364,481,306,624/12,525,668,778.28
  6. Step 6: Final answer
    x = 10,178,838,720.82

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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.