Home / 420,944,669.19-580,907,402.31-232,785,694.98

Finding the Fourth Proportional to 420,944,669.19, 580,907,402.31 and 232,785,694.98

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Solution

The fourth proportional to 420,944,669.19, 580,907,402.31 and 232,785,694.98 is: 321,246,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,944,669.19 : 580,907,402.31 = 232,785,694.98 : x
  2. Step 2: Convert to fraction form
    420,944,669.19/580,907,402.31 = 232,785,694.98/x
  3. Step 3: Cross multiply
    420,944,669.19x = 580,907,402.31 × 232,785,694.98
  4. Step 4: Simplify right side
    420,944,669.19x = 135,226,933,365,759,792
  5. Step 5: Solve for x
    x = 135,226,933,365,759,792/420,944,669.19
  6. Step 6: Final answer
    x = 321,246,337.73

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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.