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Finding the Fourth Proportional to 2,986,682,002.90, 4,171,680,215.90 and 2,986,682,002.90

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Solution

The fourth proportional to 2,986,682,002.90, 4,171,680,215.90 and 2,986,682,002.90 is: 4,171,680,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,682,002.90 : 4,171,680,215.90 = 2,986,682,002.90 : x
  2. Step 2: Convert to fraction form
    2,986,682,002.90/4,171,680,215.90 = 2,986,682,002.90/x
  3. Step 3: Cross multiply
    2,986,682,002.90x = 4,171,680,215.90 × 2,986,682,002.90
  4. Step 4: Simplify right side
    2,986,682,002.90x = 12,459,482,222,682,517,504
  5. Step 5: Solve for x
    x = 12,459,482,222,682,517,504/2,986,682,002.90
  6. Step 6: Final answer
    x = 4,171,680,215.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.