Home / 13,137,176,949.12-18,124,760,900.88-9,962,053,257.60

Finding the Fourth Proportional to 13,137,176,949.12, 18,124,760,900.88 and 9,962,053,257.60

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Solution

The fourth proportional to 13,137,176,949.12, 18,124,760,900.88 and 9,962,053,257.60 is: 13,744,188,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,176,949.12 : 18,124,760,900.88 = 9,962,053,257.60 : x
  2. Step 2: Convert to fraction form
    13,137,176,949.12/18,124,760,900.88 = 9,962,053,257.60/x
  3. Step 3: Cross multiply
    13,137,176,949.12x = 18,124,760,900.88 × 9,962,053,257.60
  4. Step 4: Simplify right side
    13,137,176,949.12x = 180,559,833,375,832,735,744
  5. Step 5: Solve for x
    x = 180,559,833,375,832,735,744/13,137,176,949.12
  6. Step 6: Final answer
    x = 13,744,188,273.87

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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.