Home / 341,632,992.80-512,449,489.20-325,760,621.60

Finding the Fourth Proportional to 341,632,992.80, 512,449,489.20 and 325,760,621.60

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Solution

The fourth proportional to 341,632,992.80, 512,449,489.20 and 325,760,621.60 is: 488,640,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,632,992.80 : 512,449,489.20 = 325,760,621.60 : x
  2. Step 2: Convert to fraction form
    341,632,992.80/512,449,489.20 = 325,760,621.60/x
  3. Step 3: Cross multiply
    341,632,992.80x = 512,449,489.20 × 325,760,621.60
  4. Step 4: Simplify right side
    341,632,992.80x = 166,935,864,140,394,496
  5. Step 5: Solve for x
    x = 166,935,864,140,394,496/341,632,992.80
  6. Step 6: Final answer
    x = 488,640,932.40

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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.