Home / 545,936,131.20-818,904,196.80-239,826,115.20

Finding the Fourth Proportional to 545,936,131.20, 818,904,196.80 and 239,826,115.20

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Solution

The fourth proportional to 545,936,131.20, 818,904,196.80 and 239,826,115.20 is: 359,739,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,936,131.20 : 818,904,196.80 = 239,826,115.20 : x
  2. Step 2: Convert to fraction form
    545,936,131.20/818,904,196.80 = 239,826,115.20/x
  3. Step 3: Cross multiply
    545,936,131.20x = 818,904,196.80 × 239,826,115.20
  4. Step 4: Simplify right side
    545,936,131.20x = 196,394,612,239,520,256
  5. Step 5: Solve for x
    x = 196,394,612,239,520,256/545,936,131.20
  6. Step 6: Final answer
    x = 359,739,172.80

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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.