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Finding the Fourth Proportional to 548,979,453,798.80, 823,469,180,698.20 and 548,979,453,798.80

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Solution

The fourth proportional to 548,979,453,798.80, 823,469,180,698.20 and 548,979,453,798.80 is: 823,469,180,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,979,453,798.80 : 823,469,180,698.20 = 548,979,453,798.80 : x
  2. Step 2: Convert to fraction form
    548,979,453,798.80/823,469,180,698.20 = 548,979,453,798.80/x
  3. Step 3: Cross multiply
    548,979,453,798.80x = 823,469,180,698.20 × 548,979,453,798.80
  4. Step 4: Simplify right side
    548,979,453,798.80x = 452,067,661,039,843,166,650,368
  5. Step 5: Solve for x
    x = 452,067,661,039,843,166,650,368/548,979,453,798.80
  6. Step 6: Final answer
    x = 823,469,180,698.20

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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.