Home / 925,259,059.15-1,387,933,433.17-303,419,280.75

Finding the Fourth Proportional to 925,259,059.15, 1,387,933,433.17 and 303,419,280.75

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Solution

The fourth proportional to 925,259,059.15, 1,387,933,433.17 and 303,419,280.75 is: 455,143,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,259,059.15 : 1,387,933,433.17 = 303,419,280.75 : x
  2. Step 2: Convert to fraction form
    925,259,059.15/1,387,933,433.17 = 303,419,280.75/x
  3. Step 3: Cross multiply
    925,259,059.15x = 1,387,933,433.17 × 303,419,280.75
  4. Step 4: Simplify right side
    925,259,059.15x = 421,125,764,019,802,496
  5. Step 5: Solve for x
    x = 421,125,764,019,802,496/925,259,059.15
  6. Step 6: Final answer
    x = 455,143,626.92

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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.