Home / 484,404,916.80-726,607,375.20-398,311,474.80

Finding the Fourth Proportional to 484,404,916.80, 726,607,375.20 and 398,311,474.80

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Solution

The fourth proportional to 484,404,916.80, 726,607,375.20 and 398,311,474.80 is: 597,467,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,404,916.80 : 726,607,375.20 = 398,311,474.80 : x
  2. Step 2: Convert to fraction form
    484,404,916.80/726,607,375.20 = 398,311,474.80/x
  3. Step 3: Cross multiply
    484,404,916.80x = 726,607,375.20 × 398,311,474.80
  4. Step 4: Simplify right side
    484,404,916.80x = 289,416,055,216,468,992
  5. Step 5: Solve for x
    x = 289,416,055,216,468,992/484,404,916.80
  6. Step 6: Final answer
    x = 597,467,212.20

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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.