Home / 299,644,108.80-449,466,163.20-279,936,614.40

Finding the Fourth Proportional to 299,644,108.80, 449,466,163.20 and 279,936,614.40

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Solution

The fourth proportional to 299,644,108.80, 449,466,163.20 and 279,936,614.40 is: 419,904,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,644,108.80 : 449,466,163.20 = 279,936,614.40 : x
  2. Step 2: Convert to fraction form
    299,644,108.80/449,466,163.20 = 279,936,614.40/x
  3. Step 3: Cross multiply
    299,644,108.80x = 449,466,163.20 × 279,936,614.40
  4. Step 4: Simplify right side
    299,644,108.80x = 125,822,036,013,565,856
  5. Step 5: Solve for x
    x = 125,822,036,013,565,856/299,644,108.80
  6. Step 6: Final answer
    x = 419,904,921.60

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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.