Home / 1,012,760,107.22-1,397,667,521.85-566,719,576.40

Finding the Fourth Proportional to 1,012,760,107.22, 1,397,667,521.85 and 566,719,576.40

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Solution

The fourth proportional to 1,012,760,107.22, 1,397,667,521.85 and 566,719,576.40 is: 782,105,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,760,107.22 : 1,397,667,521.85 = 566,719,576.40 : x
  2. Step 2: Convert to fraction form
    1,012,760,107.22/1,397,667,521.85 = 566,719,576.40/x
  3. Step 3: Cross multiply
    1,012,760,107.22x = 1,397,667,521.85 × 566,719,576.40
  4. Step 4: Simplify right side
    1,012,760,107.22x = 792,085,545,930,869,632
  5. Step 5: Solve for x
    x = 792,085,545,930,869,632/1,012,760,107.22
  6. Step 6: Final answer
    x = 782,105,792.17

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Double scale
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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.