Home / 2,183,661,013.80-3,275,491,520.70-1,965,982,780.20

Finding the Fourth Proportional to 2,183,661,013.80, 3,275,491,520.70 and 1,965,982,780.20

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Solution

The fourth proportional to 2,183,661,013.80, 3,275,491,520.70 and 1,965,982,780.20 is: 2,948,974,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,661,013.80 : 3,275,491,520.70 = 1,965,982,780.20 : x
  2. Step 2: Convert to fraction form
    2,183,661,013.80/3,275,491,520.70 = 1,965,982,780.20/x
  3. Step 3: Cross multiply
    2,183,661,013.80x = 3,275,491,520.70 × 1,965,982,780.20
  4. Step 4: Simplify right side
    2,183,661,013.80x = 6,439,559,926,387,311,616
  5. Step 5: Solve for x
    x = 6,439,559,926,387,311,616/2,183,661,013.80
  6. Step 6: Final answer
    x = 2,948,974,170.30

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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.