Home / 394,524,432.96-543,998,178.72-295,086,506.64

Finding the Fourth Proportional to 394,524,432.96, 543,998,178.72 and 295,086,506.64

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Solution

The fourth proportional to 394,524,432.96, 543,998,178.72 and 295,086,506.64 is: 406,886,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,524,432.96 : 543,998,178.72 = 295,086,506.64 : x
  2. Step 2: Convert to fraction form
    394,524,432.96/543,998,178.72 = 295,086,506.64/x
  3. Step 3: Cross multiply
    394,524,432.96x = 543,998,178.72 × 295,086,506.64
  4. Step 4: Simplify right side
    394,524,432.96x = 160,526,522,177,007,200
  5. Step 5: Solve for x
    x = 160,526,522,177,007,200/394,524,432.96
  6. Step 6: Final answer
    x = 406,886,136.23

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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.