Home / 362,136,018.87-499,759,777.26-203,394,115.89

Finding the Fourth Proportional to 362,136,018.87, 499,759,777.26 and 203,394,115.89

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Solution

The fourth proportional to 362,136,018.87, 499,759,777.26 and 203,394,115.89 is: 280,690,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,136,018.87 : 499,759,777.26 = 203,394,115.89 : x
  2. Step 2: Convert to fraction form
    362,136,018.87/499,759,777.26 = 203,394,115.89/x
  3. Step 3: Cross multiply
    362,136,018.87x = 499,759,777.26 × 203,394,115.89
  4. Step 4: Simplify right side
    362,136,018.87x = 101,648,198,053,181,024
  5. Step 5: Solve for x
    x = 101,648,198,053,181,024/362,136,018.87
  6. Step 6: Final answer
    x = 280,690,659.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.