Home / 419,904,672.90-629,857,009.35-282,848,007.30

Finding the Fourth Proportional to 419,904,672.90, 629,857,009.35 and 282,848,007.30

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Solution

The fourth proportional to 419,904,672.90, 629,857,009.35 and 282,848,007.30 is: 424,272,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,672.90 : 629,857,009.35 = 282,848,007.30 : x
  2. Step 2: Convert to fraction form
    419,904,672.90/629,857,009.35 = 282,848,007.30/x
  3. Step 3: Cross multiply
    419,904,672.90x = 629,857,009.35 × 282,848,007.30
  4. Step 4: Simplify right side
    419,904,672.90x = 178,153,799,978,584,992
  5. Step 5: Solve for x
    x = 178,153,799,978,584,992/419,904,672.90
  6. Step 6: Final answer
    x = 424,272,010.95

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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.