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Finding the Fourth Proportional to 654,464,711.70, 981,697,067.55 and 654,464,711.70

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Solution

The fourth proportional to 654,464,711.70, 981,697,067.55 and 654,464,711.70 is: 981,697,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,464,711.70 : 981,697,067.55 = 654,464,711.70 : x
  2. Step 2: Convert to fraction form
    654,464,711.70/981,697,067.55 = 654,464,711.70/x
  3. Step 3: Cross multiply
    654,464,711.70x = 981,697,067.55 × 654,464,711.70
  4. Step 4: Simplify right side
    654,464,711.70x = 642,486,088,290,846,208
  5. Step 5: Solve for x
    x = 642,486,088,290,846,208/654,464,711.70
  6. Step 6: Final answer
    x = 981,697,067.55

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Double scale
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Similar ratio
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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.