Home / 839,729,760.12-1,259,590,155.93-217,944,537.33

Finding the Fourth Proportional to 839,729,760.12, 1,259,590,155.93 and 217,944,537.33

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Solution

The fourth proportional to 839,729,760.12, 1,259,590,155.93 and 217,944,537.33 is: 326,915,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,729,760.12 : 1,259,590,155.93 = 217,944,537.33 : x
  2. Step 2: Convert to fraction form
    839,729,760.12/1,259,590,155.93 = 217,944,537.33/x
  3. Step 3: Cross multiply
    839,729,760.12x = 1,259,590,155.93 × 217,944,537.33
  4. Step 4: Simplify right side
    839,729,760.12x = 274,520,793,759,586,432
  5. Step 5: Solve for x
    x = 274,520,793,759,586,432/839,729,760.12
  6. Step 6: Final answer
    x = 326,915,642.15

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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.