Home / 1,040,557,007.69-1,560,212,176.20-331,199,146.26

Finding the Fourth Proportional to 1,040,557,007.69, 1,560,212,176.20 and 331,199,146.26

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Solution

The fourth proportional to 1,040,557,007.69, 1,560,212,176.20 and 331,199,146.26 is: 496,600,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,557,007.69 : 1,560,212,176.20 = 331,199,146.26 : x
  2. Step 2: Convert to fraction form
    1,040,557,007.69/1,560,212,176.20 = 331,199,146.26/x
  3. Step 3: Cross multiply
    1,040,557,007.69x = 1,560,212,176.20 × 331,199,146.26
  4. Step 4: Simplify right side
    1,040,557,007.69x = 516,740,940,741,896,704
  5. Step 5: Solve for x
    x = 516,740,940,741,896,704/1,040,557,007.69
  6. Step 6: Final answer
    x = 496,600,317.84

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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.