Home / 550,222,122.52-825,240,512.94-156,721,284.28

Finding the Fourth Proportional to 550,222,122.52, 825,240,512.94 and 156,721,284.28

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Solution

The fourth proportional to 550,222,122.52, 825,240,512.94 and 156,721,284.28 is: 235,055,530.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,222,122.52 : 825,240,512.94 = 156,721,284.28 : x
  2. Step 2: Convert to fraction form
    550,222,122.52/825,240,512.94 = 156,721,284.28/x
  3. Step 3: Cross multiply
    550,222,122.52x = 825,240,512.94 × 156,721,284.28
  4. Step 4: Simplify right side
    550,222,122.52x = 129,332,753,027,842,768
  5. Step 5: Solve for x
    x = 129,332,753,027,842,768/550,222,122.52
  6. Step 6: Final answer
    x = 235,055,530.73

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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.