Home / 378,385,269,992.05-567,579,377,515.62-91,542,866,220.15

Finding the Fourth Proportional to 378,385,269,992.05, 567,579,377,515.62 and 91,542,866,220.15

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Solution

The fourth proportional to 378,385,269,992.05, 567,579,377,515.62 and 91,542,866,220.15 is: 137,314,655,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,385,269,992.05 : 567,579,377,515.62 = 91,542,866,220.15 : x
  2. Step 2: Convert to fraction form
    378,385,269,992.05/567,579,377,515.62 = 91,542,866,220.15/x
  3. Step 3: Cross multiply
    378,385,269,992.05x = 567,579,377,515.62 × 91,542,866,220.15
  4. Step 4: Simplify right side
    378,385,269,992.05x = 51,957,843,025,228,413,796,352
  5. Step 5: Solve for x
    x = 51,957,843,025,228,413,796,352/378,385,269,992.05
  6. Step 6: Final answer
    x = 137,314,655,579.27

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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.