Home / 2,876,177,187.72-3,971,865,763.62-2,719,484,881.56

Finding the Fourth Proportional to 2,876,177,187.72, 3,971,865,763.62 and 2,719,484,881.56

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Solution

The fourth proportional to 2,876,177,187.72, 3,971,865,763.62 and 2,719,484,881.56 is: 3,755,481,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,177,187.72 : 3,971,865,763.62 = 2,719,484,881.56 : x
  2. Step 2: Convert to fraction form
    2,876,177,187.72/3,971,865,763.62 = 2,719,484,881.56/x
  3. Step 3: Cross multiply
    2,876,177,187.72x = 3,971,865,763.62 × 2,719,484,881.56
  4. Step 4: Simplify right side
    2,876,177,187.72x = 10,801,428,895,750,354,944
  5. Step 5: Solve for x
    x = 10,801,428,895,750,354,944/2,876,177,187.72
  6. Step 6: Final answer
    x = 3,755,481,039.86

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Half scale
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Double scale
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1.5x scale

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.