Home / 472,534,791.30-708,589,610.55-181,305,123.30

Finding the Fourth Proportional to 472,534,791.30, 708,589,610.55 and 181,305,123.30

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Solution

The fourth proportional to 472,534,791.30, 708,589,610.55 and 181,305,123.30 is: 271,876,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,534,791.30 : 708,589,610.55 = 181,305,123.30 : x
  2. Step 2: Convert to fraction form
    472,534,791.30/708,589,610.55 = 181,305,123.30/x
  3. Step 3: Cross multiply
    472,534,791.30x = 708,589,610.55 × 181,305,123.30
  4. Step 4: Simplify right side
    472,534,791.30x = 128,470,926,709,866,736
  5. Step 5: Solve for x
    x = 128,470,926,709,866,736/472,534,791.30
  6. Step 6: Final answer
    x = 271,876,122.30

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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.