Home / 664,341,646.20-996,512,469.30-276,035,422.20

Finding the Fourth Proportional to 664,341,646.20, 996,512,469.30 and 276,035,422.20

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Solution

The fourth proportional to 664,341,646.20, 996,512,469.30 and 276,035,422.20 is: 414,053,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,341,646.20 : 996,512,469.30 = 276,035,422.20 : x
  2. Step 2: Convert to fraction form
    664,341,646.20/996,512,469.30 = 276,035,422.20/x
  3. Step 3: Cross multiply
    664,341,646.20x = 996,512,469.30 × 276,035,422.20
  4. Step 4: Simplify right side
    664,341,646.20x = 275,072,740,190,790,016
  5. Step 5: Solve for x
    x = 275,072,740,190,790,016/664,341,646.20
  6. Step 6: Final answer
    x = 414,053,133.30

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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.