Home / 1,040,250,826.62-1,560,210,139.96-303,148,314.78

Finding the Fourth Proportional to 1,040,250,826.62, 1,560,210,139.96 and 303,148,314.78

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Solution

The fourth proportional to 1,040,250,826.62, 1,560,210,139.96 and 303,148,314.78 is: 454,674,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,250,826.62 : 1,560,210,139.96 = 303,148,314.78 : x
  2. Step 2: Convert to fraction form
    1,040,250,826.62/1,560,210,139.96 = 303,148,314.78/x
  3. Step 3: Cross multiply
    1,040,250,826.62x = 1,560,210,139.96 × 303,148,314.78
  4. Step 4: Simplify right side
    1,040,250,826.62x = 472,975,074,623,740,864
  5. Step 5: Solve for x
    x = 472,975,074,623,740,864/1,040,250,826.62
  6. Step 6: Final answer
    x = 454,674,067.56

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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.