Home / 264,125,614.40-396,188,421.60-203,659,438.40

Finding the Fourth Proportional to 264,125,614.40, 396,188,421.60 and 203,659,438.40

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Solution

The fourth proportional to 264,125,614.40, 396,188,421.60 and 203,659,438.40 is: 305,489,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,125,614.40 : 396,188,421.60 = 203,659,438.40 : x
  2. Step 2: Convert to fraction form
    264,125,614.40/396,188,421.60 = 203,659,438.40/x
  3. Step 3: Cross multiply
    264,125,614.40x = 396,188,421.60 × 203,659,438.40
  4. Step 4: Simplify right side
    264,125,614.40x = 80,687,511,443,638,432
  5. Step 5: Solve for x
    x = 80,687,511,443,638,432/264,125,614.40
  6. Step 6: Final answer
    x = 305,489,157.60

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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.