Home / 472,394,309.40-708,591,464.10-165,646,564.20

Finding the Fourth Proportional to 472,394,309.40, 708,591,464.10 and 165,646,564.20

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Solution

The fourth proportional to 472,394,309.40, 708,591,464.10 and 165,646,564.20 is: 248,469,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,309.40 : 708,591,464.10 = 165,646,564.20 : x
  2. Step 2: Convert to fraction form
    472,394,309.40/708,591,464.10 = 165,646,564.20/x
  3. Step 3: Cross multiply
    472,394,309.40x = 708,591,464.10 × 165,646,564.20
  4. Step 4: Simplify right side
    472,394,309.40x = 117,375,741,449,612,640
  5. Step 5: Solve for x
    x = 117,375,741,449,612,640/472,394,309.40
  6. Step 6: Final answer
    x = 248,469,846.30

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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.