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Finding the Fourth Proportional to 18,197,943,767.55, 27,296,915,651.33 and 18,197,943,767.55

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Solution

The fourth proportional to 18,197,943,767.55, 27,296,915,651.33 and 18,197,943,767.55 is: 27,296,915,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197,943,767.55 : 27,296,915,651.33 = 18,197,943,767.55 : x
  2. Step 2: Convert to fraction form
    18,197,943,767.55/27,296,915,651.33 = 18,197,943,767.55/x
  3. Step 3: Cross multiply
    18,197,943,767.55x = 27,296,915,651.33 × 18,197,943,767.55
  4. Step 4: Simplify right side
    18,197,943,767.55x = 496,747,736,050,367,856,640
  5. Step 5: Solve for x
    x = 496,747,736,050,367,856,640/18,197,943,767.55
  6. Step 6: Final answer
    x = 27,296,915,651.33

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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.