Home / 279,936,031.20-419,904,046.80-268,598,623.20

Finding the Fourth Proportional to 279,936,031.20, 419,904,046.80 and 268,598,623.20

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Solution

The fourth proportional to 279,936,031.20, 419,904,046.80 and 268,598,623.20 is: 402,897,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,031.20 : 419,904,046.80 = 268,598,623.20 : x
  2. Step 2: Convert to fraction form
    279,936,031.20/419,904,046.80 = 268,598,623.20/x
  3. Step 3: Cross multiply
    279,936,031.20x = 419,904,046.80 × 268,598,623.20
  4. Step 4: Simplify right side
    279,936,031.20x = 112,785,648,846,588,368
  5. Step 5: Solve for x
    x = 112,785,648,846,588,368/279,936,031.20
  6. Step 6: Final answer
    x = 402,897,934.80

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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.