Home / 420,944,671.44-580,907,405.42-232,785,697.25

Finding the Fourth Proportional to 420,944,671.44, 580,907,405.42 and 232,785,697.25

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Solution

The fourth proportional to 420,944,671.44, 580,907,405.42 and 232,785,697.25 is: 321,246,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,944,671.44 : 580,907,405.42 = 232,785,697.25 : x
  2. Step 2: Convert to fraction form
    420,944,671.44/580,907,405.42 = 232,785,697.25/x
  3. Step 3: Cross multiply
    420,944,671.44x = 580,907,405.42 × 232,785,697.25
  4. Step 4: Simplify right side
    420,944,671.44x = 135,226,935,404,314,656
  5. Step 5: Solve for x
    x = 135,226,935,404,314,656/420,944,671.44
  6. Step 6: Final answer
    x = 321,246,340.86

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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.