Home / 439,963,246.20-659,944,869.30-198,098,542.20

Finding the Fourth Proportional to 439,963,246.20, 659,944,869.30 and 198,098,542.20

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Solution

The fourth proportional to 439,963,246.20, 659,944,869.30 and 198,098,542.20 is: 297,147,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,963,246.20 : 659,944,869.30 = 198,098,542.20 : x
  2. Step 2: Convert to fraction form
    439,963,246.20/659,944,869.30 = 198,098,542.20/x
  3. Step 3: Cross multiply
    439,963,246.20x = 659,944,869.30 × 198,098,542.20
  4. Step 4: Simplify right side
    439,963,246.20x = 130,734,116,540,699,520
  5. Step 5: Solve for x
    x = 130,734,116,540,699,520/439,963,246.20
  6. Step 6: Final answer
    x = 297,147,813.30

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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.