Home / 3,811,682,972.56-5,260,280,643.40-2,118,131,293.68

Finding the Fourth Proportional to 3,811,682,972.56, 5,260,280,643.40 and 2,118,131,293.68

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Solution

The fourth proportional to 3,811,682,972.56, 5,260,280,643.40 and 2,118,131,293.68 is: 2,923,109,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,682,972.56 : 5,260,280,643.40 = 2,118,131,293.68 : x
  2. Step 2: Convert to fraction form
    3,811,682,972.56/5,260,280,643.40 = 2,118,131,293.68/x
  3. Step 3: Cross multiply
    3,811,682,972.56x = 5,260,280,643.40 × 2,118,131,293.68
  4. Step 4: Simplify right side
    3,811,682,972.56x = 11,141,965,044,324,704,256
  5. Step 5: Solve for x
    x = 11,141,965,044,324,704,256/3,811,682,972.56
  6. Step 6: Final answer
    x = 2,923,109,063.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.