Home / 12,639,031,619.75-17,435,250,952.49-7,814,854,504.13

Finding the Fourth Proportional to 12,639,031,619.75, 17,435,250,952.49 and 7,814,854,504.13

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Solution

The fourth proportional to 12,639,031,619.75, 17,435,250,952.49 and 7,814,854,504.13 is: 10,780,410,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,031,619.75 : 17,435,250,952.49 = 7,814,854,504.13 : x
  2. Step 2: Convert to fraction form
    12,639,031,619.75/17,435,250,952.49 = 7,814,854,504.13/x
  3. Step 3: Cross multiply
    12,639,031,619.75x = 17,435,250,952.49 × 7,814,854,504.13
  4. Step 4: Simplify right side
    12,639,031,619.75x = 136,253,949,436,577,103,872
  5. Step 5: Solve for x
    x = 136,253,949,436,577,103,872/12,639,031,619.75
  6. Step 6: Final answer
    x = 10,780,410,520.04

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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.