Home / 279,936,002.40-419,904,003.60-228,917,666.40

Finding the Fourth Proportional to 279,936,002.40, 419,904,003.60 and 228,917,666.40

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Solution

The fourth proportional to 279,936,002.40, 419,904,003.60 and 228,917,666.40 is: 343,376,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,002.40 : 419,904,003.60 = 228,917,666.40 : x
  2. Step 2: Convert to fraction form
    279,936,002.40/419,904,003.60 = 228,917,666.40/x
  3. Step 3: Cross multiply
    279,936,002.40x = 419,904,003.60 × 228,917,666.40
  4. Step 4: Simplify right side
    279,936,002.40x = 96,123,444,616,129,200
  5. Step 5: Solve for x
    x = 96,123,444,616,129,200/279,936,002.40
  6. Step 6: Final answer
    x = 343,376,499.60

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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.