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Finding the Fourth Proportional to 45,367,907,891.70, 68,051,861,837.55 and 45,367,907,891.70

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Solution

The fourth proportional to 45,367,907,891.70, 68,051,861,837.55 and 45,367,907,891.70 is: 68,051,861,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,367,907,891.70 : 68,051,861,837.55 = 45,367,907,891.70 : x
  2. Step 2: Convert to fraction form
    45,367,907,891.70/68,051,861,837.55 = 45,367,907,891.70/x
  3. Step 3: Cross multiply
    45,367,907,891.70x = 68,051,861,837.55 × 45,367,907,891.70
  4. Step 4: Simplify right side
    45,367,907,891.70x = 3,087,370,599,704,662,900,736
  5. Step 5: Solve for x
    x = 3,087,370,599,704,662,900,736/45,367,907,891.70
  6. Step 6: Final answer
    x = 68,051,861,837.55

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Double scale
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Similar ratio
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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.