Home / 420,396,432.30-580,135,836.60-232,220,676.24

Finding the Fourth Proportional to 420,396,432.30, 580,135,836.60 and 232,220,676.24

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Solution

The fourth proportional to 420,396,432.30, 580,135,836.60 and 232,220,676.24 is: 320,458,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,396,432.30 : 580,135,836.60 = 232,220,676.24 : x
  2. Step 2: Convert to fraction form
    420,396,432.30/580,135,836.60 = 232,220,676.24/x
  3. Step 3: Cross multiply
    420,396,432.30x = 580,135,836.60 × 232,220,676.24
  4. Step 4: Simplify right side
    420,396,432.30x = 134,719,536,286,310,160
  5. Step 5: Solve for x
    x = 134,719,536,286,310,160/420,396,432.30
  6. Step 6: Final answer
    x = 320,458,324.42

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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.