Home / 298,998,001.60-448,497,002.40-272,213,375.20

Finding the Fourth Proportional to 298,998,001.60, 448,497,002.40 and 272,213,375.20

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Solution

The fourth proportional to 298,998,001.60, 448,497,002.40 and 272,213,375.20 is: 408,320,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,998,001.60 : 448,497,002.40 = 272,213,375.20 : x
  2. Step 2: Convert to fraction form
    298,998,001.60/448,497,002.40 = 272,213,375.20/x
  3. Step 3: Cross multiply
    298,998,001.60x = 448,497,002.40 × 272,213,375.20
  4. Step 4: Simplify right side
    298,998,001.60x = 122,086,882,790,386,496
  5. Step 5: Solve for x
    x = 122,086,882,790,386,496/298,998,001.60
  6. Step 6: Final answer
    x = 408,320,062.80

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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.