Home / 398,568,843.20-598,105,207.20-234,806,283.20

Finding the Fourth Proportional to 398,568,843.20, 598,105,207.20 and 234,806,283.20

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Solution

The fourth proportional to 398,568,843.20, 598,105,207.20 and 234,806,283.20 is: 352,357,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,568,843.20 : 598,105,207.20 = 234,806,283.20 : x
  2. Step 2: Convert to fraction form
    398,568,843.20/598,105,207.20 = 234,806,283.20/x
  3. Step 3: Cross multiply
    398,568,843.20x = 598,105,207.20 × 234,806,283.20
  4. Step 4: Simplify right side
    398,568,843.20x = 140,438,860,665,197,888
  5. Step 5: Solve for x
    x = 140,438,860,665,197,888/398,568,843.20
  6. Step 6: Final answer
    x = 352,357,850.00

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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.