Home / 865,956,346.17-1,299,055,258.13-267,743,040.54

Finding the Fourth Proportional to 865,956,346.17, 1,299,055,258.13 and 267,743,040.54

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Solution

The fourth proportional to 865,956,346.17, 1,299,055,258.13 and 267,743,040.54 is: 401,651,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,956,346.17 : 1,299,055,258.13 = 267,743,040.54 : x
  2. Step 2: Convert to fraction form
    865,956,346.17/1,299,055,258.13 = 267,743,040.54/x
  3. Step 3: Cross multiply
    865,956,346.17x = 1,299,055,258.13 × 267,743,040.54
  4. Step 4: Simplify right side
    865,956,346.17x = 347,813,004,639,862,016
  5. Step 5: Solve for x
    x = 347,813,004,639,862,016/865,956,346.17
  6. Step 6: Final answer
    x = 401,651,891.78

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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.