Home / 279,936,371.60-419,904,557.40-245,924,147.60

Finding the Fourth Proportional to 279,936,371.60, 419,904,557.40 and 245,924,147.60

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Solution

The fourth proportional to 279,936,371.60, 419,904,557.40 and 245,924,147.60 is: 368,886,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,371.60 : 419,904,557.40 = 245,924,147.60 : x
  2. Step 2: Convert to fraction form
    279,936,371.60/419,904,557.40 = 245,924,147.60/x
  3. Step 3: Cross multiply
    279,936,371.60x = 419,904,557.40 × 245,924,147.60
  4. Step 4: Simplify right side
    279,936,371.60x = 103,264,670,351,950,256
  5. Step 5: Solve for x
    x = 103,264,670,351,950,256/279,936,371.60
  6. Step 6: Final answer
    x = 368,886,221.40

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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.