Home / 268,272,000.30-402,408,000.45-219,804,581.10

Finding the Fourth Proportional to 268,272,000.30, 402,408,000.45 and 219,804,581.10

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Solution

The fourth proportional to 268,272,000.30, 402,408,000.45 and 219,804,581.10 is: 329,706,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,000.30 : 402,408,000.45 = 219,804,581.10 : x
  2. Step 2: Convert to fraction form
    268,272,000.30/402,408,000.45 = 219,804,581.10/x
  3. Step 3: Cross multiply
    268,272,000.30x = 402,408,000.45 × 219,804,581.10
  4. Step 4: Simplify right side
    268,272,000.30x = 88,451,121,970,200,864
  5. Step 5: Solve for x
    x = 88,451,121,970,200,864/268,272,000.30
  6. Step 6: Final answer
    x = 329,706,871.65

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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.