Home / 747,683,200.80-1,121,524,801.20-360,262,711.80

Finding the Fourth Proportional to 747,683,200.80, 1,121,524,801.20 and 360,262,711.80

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Solution

The fourth proportional to 747,683,200.80, 1,121,524,801.20 and 360,262,711.80 is: 540,394,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,683,200.80 : 1,121,524,801.20 = 360,262,711.80 : x
  2. Step 2: Convert to fraction form
    747,683,200.80/1,121,524,801.20 = 360,262,711.80/x
  3. Step 3: Cross multiply
    747,683,200.80x = 1,121,524,801.20 × 360,262,711.80
  4. Step 4: Simplify right side
    747,683,200.80x = 404,043,566,231,267,904
  5. Step 5: Solve for x
    x = 404,043,566,231,267,904/747,683,200.80
  6. Step 6: Final answer
    x = 540,394,067.70

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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.