Home / 925,560,299.56-1,387,364,358.42-303,613,125.78

Finding the Fourth Proportional to 925,560,299.56, 1,387,364,358.42 and 303,613,125.78

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Solution

The fourth proportional to 925,560,299.56, 1,387,364,358.42 and 303,613,125.78 is: 455,099,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,560,299.56 : 1,387,364,358.42 = 303,613,125.78 : x
  2. Step 2: Convert to fraction form
    925,560,299.56/1,387,364,358.42 = 303,613,125.78/x
  3. Step 3: Cross multiply
    925,560,299.56x = 1,387,364,358.42 × 303,613,125.78
  4. Step 4: Simplify right side
    925,560,299.56x = 421,222,029,455,660,416
  5. Step 5: Solve for x
    x = 421,222,029,455,660,416/925,560,299.56
  6. Step 6: Final answer
    x = 455,099,499.90

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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.