Home / 2,646,593,772.24-3,970,321,891.08-781,428,010.44

Finding the Fourth Proportional to 2,646,593,772.24, 3,970,321,891.08 and 781,428,010.44

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Solution

The fourth proportional to 2,646,593,772.24, 3,970,321,891.08 and 781,428,010.44 is: 1,172,269,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,593,772.24 : 3,970,321,891.08 = 781,428,010.44 : x
  2. Step 2: Convert to fraction form
    2,646,593,772.24/3,970,321,891.08 = 781,428,010.44/x
  3. Step 3: Cross multiply
    2,646,593,772.24x = 3,970,321,891.08 × 781,428,010.44
  4. Step 4: Simplify right side
    2,646,593,772.24x = 3,102,520,736,153,022,976
  5. Step 5: Solve for x
    x = 3,102,520,736,153,022,976/2,646,593,772.24
  6. Step 6: Final answer
    x = 1,172,269,340.57

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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.