Home / 331,776,305.40-497,664,458.10-329,760,766.20

Finding the Fourth Proportional to 331,776,305.40, 497,664,458.10 and 329,760,766.20

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Solution

The fourth proportional to 331,776,305.40, 497,664,458.10 and 329,760,766.20 is: 494,641,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,305.40 : 497,664,458.10 = 329,760,766.20 : x
  2. Step 2: Convert to fraction form
    331,776,305.40/497,664,458.10 = 329,760,766.20/x
  3. Step 3: Cross multiply
    331,776,305.40x = 497,664,458.10 × 329,760,766.20
  4. Step 4: Simplify right side
    331,776,305.40x = 164,110,213,013,563,808
  5. Step 5: Solve for x
    x = 164,110,213,013,563,808/331,776,305.40
  6. Step 6: Final answer
    x = 494,641,149.30

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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.