Home / 325,568,621.60-488,352,932.40-222,256,491.20

Finding the Fourth Proportional to 325,568,621.60, 488,352,932.40 and 222,256,491.20

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Solution

The fourth proportional to 325,568,621.60, 488,352,932.40 and 222,256,491.20 is: 333,384,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,568,621.60 : 488,352,932.40 = 222,256,491.20 : x
  2. Step 2: Convert to fraction form
    325,568,621.60/488,352,932.40 = 222,256,491.20/x
  3. Step 3: Cross multiply
    325,568,621.60x = 488,352,932.40 × 222,256,491.20
  4. Step 4: Simplify right side
    325,568,621.60x = 108,539,609,222,454,784
  5. Step 5: Solve for x
    x = 108,539,609,222,454,784/325,568,621.60
  6. Step 6: Final answer
    x = 333,384,736.80

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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.