Home / 323,585,467.20-485,378,200.80-119,260,180.80

Finding the Fourth Proportional to 323,585,467.20, 485,378,200.80 and 119,260,180.80

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Solution

The fourth proportional to 323,585,467.20, 485,378,200.80 and 119,260,180.80 is: 178,890,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,585,467.20 : 485,378,200.80 = 119,260,180.80 : x
  2. Step 2: Convert to fraction form
    323,585,467.20/485,378,200.80 = 119,260,180.80/x
  3. Step 3: Cross multiply
    323,585,467.20x = 485,378,200.80 × 119,260,180.80
  4. Step 4: Simplify right side
    323,585,467.20x = 57,886,291,983,786,704
  5. Step 5: Solve for x
    x = 57,886,291,983,786,704/323,585,467.20
  6. Step 6: Final answer
    x = 178,890,271.20

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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.