Home / 399,177,788.10-598,766,682.15-226,587,912.90

Finding the Fourth Proportional to 399,177,788.10, 598,766,682.15 and 226,587,912.90

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Solution

The fourth proportional to 399,177,788.10, 598,766,682.15 and 226,587,912.90 is: 339,881,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,177,788.10 : 598,766,682.15 = 226,587,912.90 : x
  2. Step 2: Convert to fraction form
    399,177,788.10/598,766,682.15 = 226,587,912.90/x
  3. Step 3: Cross multiply
    399,177,788.10x = 598,766,682.15 × 226,587,912.90
  4. Step 4: Simplify right side
    399,177,788.10x = 135,673,292,822,426,176
  5. Step 5: Solve for x
    x = 135,673,292,822,426,176/399,177,788.10
  6. Step 6: Final answer
    x = 339,881,869.35

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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.