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Finding the Fourth Proportional to 18,317,778,364.20, 27,476,667,546.30 and 18,317,778,364.20

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Solution

The fourth proportional to 18,317,778,364.20, 27,476,667,546.30 and 18,317,778,364.20 is: 27,476,667,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317,778,364.20 : 27,476,667,546.30 = 18,317,778,364.20 : x
  2. Step 2: Convert to fraction form
    18,317,778,364.20/27,476,667,546.30 = 18,317,778,364.20/x
  3. Step 3: Cross multiply
    18,317,778,364.20x = 27,476,667,546.30 × 18,317,778,364.20
  4. Step 4: Simplify right side
    18,317,778,364.20x = 503,311,506,299,930,476,544
  5. Step 5: Solve for x
    x = 503,311,506,299,930,476,544/18,317,778,364.20
  6. Step 6: Final answer
    x = 27,476,667,546.30

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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.