Home / 3,640,508,917.92-5,023,866,540.24-1,969,721,399.52

Finding the Fourth Proportional to 3,640,508,917.92, 5,023,866,540.24 and 1,969,721,399.52

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Solution

The fourth proportional to 3,640,508,917.92, 5,023,866,540.24 and 1,969,721,399.52 is: 2,718,196,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,508,917.92 : 5,023,866,540.24 = 1,969,721,399.52 : x
  2. Step 2: Convert to fraction form
    3,640,508,917.92/5,023,866,540.24 = 1,969,721,399.52/x
  3. Step 3: Cross multiply
    3,640,508,917.92x = 5,023,866,540.24 × 1,969,721,399.52
  4. Step 4: Simplify right side
    3,640,508,917.92x = 9,895,617,432,643,231,744
  5. Step 5: Solve for x
    x = 9,895,617,432,643,231,744/3,640,508,917.92
  6. Step 6: Final answer
    x = 2,718,196,179.64

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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.