Home / 394,635,037.98-591,683,507.34-200,171,474.04

Finding the Fourth Proportional to 394,635,037.98, 591,683,507.34 and 200,171,474.04

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Solution

The fourth proportional to 394,635,037.98, 591,683,507.34 and 200,171,474.04 is: 300,120,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,635,037.98 : 591,683,507.34 = 200,171,474.04 : x
  2. Step 2: Convert to fraction form
    394,635,037.98/591,683,507.34 = 200,171,474.04/x
  3. Step 3: Cross multiply
    394,635,037.98x = 591,683,507.34 × 200,171,474.04
  4. Step 4: Simplify right side
    394,635,037.98x = 118,438,159,829,404,960
  5. Step 5: Solve for x
    x = 118,438,159,829,404,960/394,635,037.98
  6. Step 6: Final answer
    x = 300,120,740.51

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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.