Home / 1,012,760,106.72-1,397,667,521.16-566,719,575.90

Finding the Fourth Proportional to 1,012,760,106.72, 1,397,667,521.16 and 566,719,575.90

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Solution

The fourth proportional to 1,012,760,106.72, 1,397,667,521.16 and 566,719,575.90 is: 782,105,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,760,106.72 : 1,397,667,521.16 = 566,719,575.90 : x
  2. Step 2: Convert to fraction form
    1,012,760,106.72/1,397,667,521.16 = 566,719,575.90/x
  3. Step 3: Cross multiply
    1,012,760,106.72x = 1,397,667,521.16 × 566,719,575.90
  4. Step 4: Simplify right side
    1,012,760,106.72x = 792,085,544,840,999,552
  5. Step 5: Solve for x
    x = 792,085,544,840,999,552/1,012,760,106.72
  6. Step 6: Final answer
    x = 782,105,791.48

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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.