Home / 865,956,346.42-1,299,055,258.50-267,743,040.79

Finding the Fourth Proportional to 865,956,346.42, 1,299,055,258.50 and 267,743,040.79

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Solution

The fourth proportional to 865,956,346.42, 1,299,055,258.50 and 267,743,040.79 is: 401,651,892.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,956,346.42 : 1,299,055,258.50 = 267,743,040.79 : x
  2. Step 2: Convert to fraction form
    865,956,346.42/1,299,055,258.50 = 267,743,040.79/x
  3. Step 3: Cross multiply
    865,956,346.42x = 1,299,055,258.50 × 267,743,040.79
  4. Step 4: Simplify right side
    865,956,346.42x = 347,813,005,065,029,504
  5. Step 5: Solve for x
    x = 347,813,005,065,029,504/865,956,346.42
  6. Step 6: Final answer
    x = 401,651,892.16

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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.