Home / 865,956,345.42-1,299,055,257-267,743,039.79

Finding the Fourth Proportional to 865,956,345.42, 1,299,055,257 and 267,743,039.79

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Solution

The fourth proportional to 865,956,345.42, 1,299,055,257 and 267,743,039.79 is: 401,651,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,956,345.42 : 1,299,055,257 = 267,743,039.79 : x
  2. Step 2: Convert to fraction form
    865,956,345.42/1,299,055,257 = 267,743,039.79/x
  3. Step 3: Cross multiply
    865,956,345.42x = 1,299,055,257 × 267,743,039.79
  4. Step 4: Simplify right side
    865,956,345.42x = 347,813,003,364,359,680
  5. Step 5: Solve for x
    x = 347,813,003,364,359,680/865,956,345.42
  6. Step 6: Final answer
    x = 401,651,890.66

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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.