Home / 439,488,022.70-659,337,010.05-132,783,142.70

Finding the Fourth Proportional to 439,488,022.70, 659,337,010.05 and 132,783,142.70

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Solution

The fourth proportional to 439,488,022.70, 659,337,010.05 and 132,783,142.70 is: 199,206,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,488,022.70 : 659,337,010.05 = 132,783,142.70 : x
  2. Step 2: Convert to fraction form
    439,488,022.70/659,337,010.05 = 132,783,142.70/x
  3. Step 3: Cross multiply
    439,488,022.70x = 659,337,010.05 × 132,783,142.70
  4. Step 4: Simplify right side
    439,488,022.70x = 87,548,840,292,860,480
  5. Step 5: Solve for x
    x = 87,548,840,292,860,480/439,488,022.70
  6. Step 6: Final answer
    x = 199,206,430.60

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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.