Home / 330,813,808.20-496,220,712.30-325,711,974.60

Finding the Fourth Proportional to 330,813,808.20, 496,220,712.30 and 325,711,974.60

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Solution

The fourth proportional to 330,813,808.20, 496,220,712.30 and 325,711,974.60 is: 488,567,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,813,808.20 : 496,220,712.30 = 325,711,974.60 : x
  2. Step 2: Convert to fraction form
    330,813,808.20/496,220,712.30 = 325,711,974.60/x
  3. Step 3: Cross multiply
    330,813,808.20x = 496,220,712.30 × 325,711,974.60
  4. Step 4: Simplify right side
    330,813,808.20x = 161,625,028,040,651,520
  5. Step 5: Solve for x
    x = 161,625,028,040,651,520/330,813,808.20
  6. Step 6: Final answer
    x = 488,567,961.90

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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.