Home / 519,605,531.28-717,055,573.68-310,761,640.44

Finding the Fourth Proportional to 519,605,531.28, 717,055,573.68 and 310,761,640.44

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Solution

The fourth proportional to 519,605,531.28, 717,055,573.68 and 310,761,640.44 is: 428,851,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,605,531.28 : 717,055,573.68 = 310,761,640.44 : x
  2. Step 2: Convert to fraction form
    519,605,531.28/717,055,573.68 = 310,761,640.44/x
  3. Step 3: Cross multiply
    519,605,531.28x = 717,055,573.68 × 310,761,640.44
  4. Step 4: Simplify right side
    519,605,531.28x = 222,833,366,363,442,080
  5. Step 5: Solve for x
    x = 222,833,366,363,442,080/519,605,531.28
  6. Step 6: Final answer
    x = 428,851,028.23

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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.