Home / 526,229,532.56-726,029,808.28-306,170,443.28

Finding the Fourth Proportional to 526,229,532.56, 726,029,808.28 and 306,170,443.28

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Solution

The fourth proportional to 526,229,532.56, 726,029,808.28 and 306,170,443.28 is: 422,418,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,229,532.56 : 726,029,808.28 = 306,170,443.28 : x
  2. Step 2: Convert to fraction form
    526,229,532.56/726,029,808.28 = 306,170,443.28/x
  3. Step 3: Cross multiply
    526,229,532.56x = 726,029,808.28 × 306,170,443.28
  4. Step 4: Simplify right side
    526,229,532.56x = 222,288,868,235,580,992
  5. Step 5: Solve for x
    x = 222,288,868,235,580,992/526,229,532.56
  6. Step 6: Final answer
    x = 422,418,078.96

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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.