Home / 269,147,124,728.52-371,342,396,781.62-154,958,809,800.68

Finding the Fourth Proportional to 269,147,124,728.52, 371,342,396,781.62 and 154,958,809,800.68

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Solution

The fourth proportional to 269,147,124,728.52, 371,342,396,781.62 and 154,958,809,800.68 is: 213,796,732,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,147,124,728.52 : 371,342,396,781.62 = 154,958,809,800.68 : x
  2. Step 2: Convert to fraction form
    269,147,124,728.52/371,342,396,781.62 = 154,958,809,800.68/x
  3. Step 3: Cross multiply
    269,147,124,728.52x = 371,342,396,781.62 × 154,958,809,800.68
  4. Step 4: Simplify right side
    269,147,124,728.52x = 57,542,775,833,811,692,290,048
  5. Step 5: Solve for x
    x = 57,542,775,833,811,692,290,048/269,147,124,728.52
  6. Step 6: Final answer
    x = 213,796,732,518.89

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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.