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Finding the Fourth Proportional to 269,851,645.80, 404,777,468.70 and 200,976,892.20

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Solution

The fourth proportional to 269,851,645.80, 404,777,468.70 and 200,976,892.20 is: 301,465,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,851,645.80 : 404,777,468.70 = 200,976,892.20 : x
  2. Step 2: Convert to fraction form
    269,851,645.80/404,777,468.70 = 200,976,892.20/x
  3. Step 3: Cross multiply
    269,851,645.80x = 404,777,468.70 × 200,976,892.20
  4. Step 4: Simplify right side
    269,851,645.80x = 81,350,917,691,908,768
  5. Step 5: Solve for x
    x = 81,350,917,691,908,768/269,851,645.80
  6. Step 6: Final answer
    x = 301,465,338.30

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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.