Home / 8,265,413,718.56-12,392,307,414.64-3,839,133,687.20

Finding the Fourth Proportional to 8,265,413,718.56, 12,392,307,414.64 and 3,839,133,687.20

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Solution

The fourth proportional to 8,265,413,718.56, 12,392,307,414.64 and 3,839,133,687.20 is: 5,756,000,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265,413,718.56 : 12,392,307,414.64 = 3,839,133,687.20 : x
  2. Step 2: Convert to fraction form
    8,265,413,718.56/12,392,307,414.64 = 3,839,133,687.20/x
  3. Step 3: Cross multiply
    8,265,413,718.56x = 12,392,307,414.64 × 3,839,133,687.20
  4. Step 4: Simplify right side
    8,265,413,718.56x = 47,575,724,857,682,755,584
  5. Step 5: Solve for x
    x = 47,575,724,857,682,755,584/8,265,413,718.56
  6. Step 6: Final answer
    x = 5,756,000,422.68

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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.