Home / 419,904,672.40-629,857,008.60-282,848,006.80

Finding the Fourth Proportional to 419,904,672.40, 629,857,008.60 and 282,848,006.80

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Solution

The fourth proportional to 419,904,672.40, 629,857,008.60 and 282,848,006.80 is: 424,272,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,672.40 : 629,857,008.60 = 282,848,006.80 : x
  2. Step 2: Convert to fraction form
    419,904,672.40/629,857,008.60 = 282,848,006.80/x
  3. Step 3: Cross multiply
    419,904,672.40x = 629,857,008.60 × 282,848,006.80
  4. Step 4: Simplify right side
    419,904,672.40x = 178,153,799,451,520,480
  5. Step 5: Solve for x
    x = 178,153,799,451,520,480/419,904,672.40
  6. Step 6: Final answer
    x = 424,272,010.20

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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.