Home / 500,582,571.54-690,740,454.45-274,462,049.56

Finding the Fourth Proportional to 500,582,571.54, 690,740,454.45 and 274,462,049.56

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Solution

The fourth proportional to 500,582,571.54, 690,740,454.45 and 274,462,049.56 is: 378,722,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,582,571.54 : 690,740,454.45 = 274,462,049.56 : x
  2. Step 2: Convert to fraction form
    500,582,571.54/690,740,454.45 = 274,462,049.56/x
  3. Step 3: Cross multiply
    500,582,571.54x = 690,740,454.45 × 274,462,049.56
  4. Step 4: Simplify right side
    500,582,571.54x = 189,582,040,840,625,984
  5. Step 5: Solve for x
    x = 189,582,040,840,625,984/500,582,571.54
  6. Step 6: Final answer
    x = 378,722,815.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.