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Finding the Fourth Proportional to 979,789,683.15, 1,469,684,524.73 and 979,789,683.15

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Solution

The fourth proportional to 979,789,683.15, 1,469,684,524.73 and 979,789,683.15 is: 1,469,684,524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,789,683.15 : 1,469,684,524.73 = 979,789,683.15 : x
  2. Step 2: Convert to fraction form
    979,789,683.15/1,469,684,524.73 = 979,789,683.15/x
  3. Step 3: Cross multiply
    979,789,683.15x = 1,469,684,524.73 × 979,789,683.15
  4. Step 4: Simplify right side
    979,789,683.15x = 1,439,981,734,810,766,080
  5. Step 5: Solve for x
    x = 1,439,981,734,810,766,080/979,789,683.15
  6. Step 6: Final answer
    x = 1,469,684,524.73

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Double scale
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1.5x scale

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.