Home / 394,893,241.20-592,339,861.80-280,101,985.20

Finding the Fourth Proportional to 394,893,241.20, 592,339,861.80 and 280,101,985.20

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Solution

The fourth proportional to 394,893,241.20, 592,339,861.80 and 280,101,985.20 is: 420,152,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,893,241.20 : 592,339,861.80 = 280,101,985.20 : x
  2. Step 2: Convert to fraction form
    394,893,241.20/592,339,861.80 = 280,101,985.20/x
  3. Step 3: Cross multiply
    394,893,241.20x = 592,339,861.80 × 280,101,985.20
  4. Step 4: Simplify right side
    394,893,241.20x = 165,915,571,203,273,632
  5. Step 5: Solve for x
    x = 165,915,571,203,273,632/394,893,241.20
  6. Step 6: Final answer
    x = 420,152,977.80

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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.