Home / 472,394,305.80-708,591,458.70-403,519,552.20

Finding the Fourth Proportional to 472,394,305.80, 708,591,458.70 and 403,519,552.20

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Solution

The fourth proportional to 472,394,305.80, 708,591,458.70 and 403,519,552.20 is: 605,279,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,305.80 : 708,591,458.70 = 403,519,552.20 : x
  2. Step 2: Convert to fraction form
    472,394,305.80/708,591,458.70 = 403,519,552.20/x
  3. Step 3: Cross multiply
    472,394,305.80x = 708,591,458.70 × 403,519,552.20
  4. Step 4: Simplify right side
    472,394,305.80x = 285,930,508,107,368,800
  5. Step 5: Solve for x
    x = 285,930,508,107,368,800/472,394,305.80
  6. Step 6: Final answer
    x = 605,279,328.30

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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.