Home / 3,987,638,890.30-5,981,458,335.45-2,681,569,488.70

Finding the Fourth Proportional to 3,987,638,890.30, 5,981,458,335.45 and 2,681,569,488.70

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Solution

The fourth proportional to 3,987,638,890.30, 5,981,458,335.45 and 2,681,569,488.70 is: 4,022,354,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,638,890.30 : 5,981,458,335.45 = 2,681,569,488.70 : x
  2. Step 2: Convert to fraction form
    3,987,638,890.30/5,981,458,335.45 = 2,681,569,488.70/x
  3. Step 3: Cross multiply
    3,987,638,890.30x = 5,981,458,335.45 × 2,681,569,488.70
  4. Step 4: Simplify right side
    3,987,638,890.30x = 16,039,696,170,273,007,616
  5. Step 5: Solve for x
    x = 16,039,696,170,273,007,616/3,987,638,890.30
  6. Step 6: Final answer
    x = 4,022,354,233.05

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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.