Home / 387,082,002.30-580,623,003.45-356,177,067.90

Finding the Fourth Proportional to 387,082,002.30, 580,623,003.45 and 356,177,067.90

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Solution

The fourth proportional to 387,082,002.30, 580,623,003.45 and 356,177,067.90 is: 534,265,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,082,002.30 : 580,623,003.45 = 356,177,067.90 : x
  2. Step 2: Convert to fraction form
    387,082,002.30/580,623,003.45 = 356,177,067.90/x
  3. Step 3: Cross multiply
    387,082,002.30x = 580,623,003.45 × 356,177,067.90
  4. Step 4: Simplify right side
    387,082,002.30x = 206,804,598,924,112,576
  5. Step 5: Solve for x
    x = 206,804,598,924,112,576/387,082,002.30
  6. Step 6: Final answer
    x = 534,265,601.85

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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.