Home / 392,901,619.34-542,067,304.30-251,850,613.34

Finding the Fourth Proportional to 392,901,619.34, 542,067,304.30 and 251,850,613.34

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Solution

The fourth proportional to 392,901,619.34, 542,067,304.30 and 251,850,613.34 is: 347,466,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,901,619.34 : 542,067,304.30 = 251,850,613.34 : x
  2. Step 2: Convert to fraction form
    392,901,619.34/542,067,304.30 = 251,850,613.34/x
  3. Step 3: Cross multiply
    392,901,619.34x = 542,067,304.30 × 251,850,613.34
  4. Step 4: Simplify right side
    392,901,619.34x = 136,519,983,060,240,960
  5. Step 5: Solve for x
    x = 136,519,983,060,240,960/392,901,619.34
  6. Step 6: Final answer
    x = 347,466,073.79

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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.