Home / 269,147,124,721.07-371,342,396,771.31-154,958,809,793.21

Finding the Fourth Proportional to 269,147,124,721.07, 371,342,396,771.31 and 154,958,809,793.21

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Solution

The fourth proportional to 269,147,124,721.07, 371,342,396,771.31 and 154,958,809,793.21 is: 213,796,732,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,147,124,721.07 : 371,342,396,771.31 = 154,958,809,793.21 : x
  2. Step 2: Convert to fraction form
    269,147,124,721.07/371,342,396,771.31 = 154,958,809,793.21/x
  3. Step 3: Cross multiply
    269,147,124,721.07x = 371,342,396,771.31 × 154,958,809,793.21
  4. Step 4: Simplify right side
    269,147,124,721.07x = 57,542,775,829,440,145,391,616
  5. Step 5: Solve for x
    x = 57,542,775,829,440,145,391,616/269,147,124,721.07
  6. Step 6: Final answer
    x = 213,796,732,508.57

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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.