Home / 378,385,269,992.57-567,579,377,516.39-91,542,866,220.65

Finding the Fourth Proportional to 378,385,269,992.57, 567,579,377,516.39 and 91,542,866,220.65

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Solution

The fourth proportional to 378,385,269,992.57, 567,579,377,516.39 and 91,542,866,220.65 is: 137,314,655,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,385,269,992.57 : 567,579,377,516.39 = 91,542,866,220.65 : x
  2. Step 2: Convert to fraction form
    378,385,269,992.57/567,579,377,516.39 = 91,542,866,220.65/x
  3. Step 3: Cross multiply
    378,385,269,992.57x = 567,579,377,516.39 × 91,542,866,220.65
  4. Step 4: Simplify right side
    378,385,269,992.57x = 51,957,843,025,579,854,528,512
  5. Step 5: Solve for x
    x = 51,957,843,025,579,854,528,512/378,385,269,992.57
  6. Step 6: Final answer
    x = 137,314,655,580.01

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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.