Home / 1,180,067,246.80-1,770,100,870.20-443,135,726.80

Finding the Fourth Proportional to 1,180,067,246.80, 1,770,100,870.20 and 443,135,726.80

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Solution

The fourth proportional to 1,180,067,246.80, 1,770,100,870.20 and 443,135,726.80 is: 664,703,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,067,246.80 : 1,770,100,870.20 = 443,135,726.80 : x
  2. Step 2: Convert to fraction form
    1,180,067,246.80/1,770,100,870.20 = 443,135,726.80/x
  3. Step 3: Cross multiply
    1,180,067,246.80x = 1,770,100,870.20 × 443,135,726.80
  4. Step 4: Simplify right side
    1,180,067,246.80x = 784,394,935,625,389,440
  5. Step 5: Solve for x
    x = 784,394,935,625,389,440/1,180,067,246.80
  6. Step 6: Final answer
    x = 664,703,590.20

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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.