Home / 2,689,274,836.65-4,028,509,896.66-1,339,117,401.38

Finding the Fourth Proportional to 2,689,274,836.65, 4,028,509,896.66 and 1,339,117,401.38

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Solution

The fourth proportional to 2,689,274,836.65, 4,028,509,896.66 and 1,339,117,401.38 is: 2,005,986,011.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,274,836.65 : 4,028,509,896.66 = 1,339,117,401.38 : x
  2. Step 2: Convert to fraction form
    2,689,274,836.65/4,028,509,896.66 = 1,339,117,401.38/x
  3. Step 3: Cross multiply
    2,689,274,836.65x = 4,028,509,896.66 × 1,339,117,401.38
  4. Step 4: Simplify right side
    2,689,274,836.65x = 5,394,647,704,228,808,704
  5. Step 5: Solve for x
    x = 5,394,647,704,228,808,704/2,689,274,836.65
  6. Step 6: Final answer
    x = 2,005,986,011.81

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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.