Home / 819,000,734.20-1,228,501,101.30-327,789,817.90

Finding the Fourth Proportional to 819,000,734.20, 1,228,501,101.30 and 327,789,817.90

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Solution

The fourth proportional to 819,000,734.20, 1,228,501,101.30 and 327,789,817.90 is: 491,684,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,000,734.20 : 1,228,501,101.30 = 327,789,817.90 : x
  2. Step 2: Convert to fraction form
    819,000,734.20/1,228,501,101.30 = 327,789,817.90/x
  3. Step 3: Cross multiply
    819,000,734.20x = 1,228,501,101.30 × 327,789,817.90
  4. Step 4: Simplify right side
    819,000,734.20x = 402,690,152,285,076,416
  5. Step 5: Solve for x
    x = 402,690,152,285,076,416/819,000,734.20
  6. Step 6: Final answer
    x = 491,684,726.85

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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.