Home / 545,936,147.70-818,904,221.55-239,826,131.70

Finding the Fourth Proportional to 545,936,147.70, 818,904,221.55 and 239,826,131.70

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Solution

The fourth proportional to 545,936,147.70, 818,904,221.55 and 239,826,131.70 is: 359,739,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,936,147.70 : 818,904,221.55 = 239,826,131.70 : x
  2. Step 2: Convert to fraction form
    545,936,147.70/818,904,221.55 = 239,826,131.70/x
  3. Step 3: Cross multiply
    545,936,147.70x = 818,904,221.55 × 239,826,131.70
  4. Step 4: Simplify right side
    545,936,147.70x = 196,394,631,687,136,256
  5. Step 5: Solve for x
    x = 196,394,631,687,136,256/545,936,147.70
  6. Step 6: Final answer
    x = 359,739,197.55

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Double scale
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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.