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Finding the Fourth Proportional to 8,473,414,217.40, 12,685,934,855.70 and 8,473,414,217.40

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Solution

The fourth proportional to 8,473,414,217.40, 12,685,934,855.70 and 8,473,414,217.40 is: 12,685,934,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,414,217.40 : 12,685,934,855.70 = 8,473,414,217.40 : x
  2. Step 2: Convert to fraction form
    8,473,414,217.40/12,685,934,855.70 = 8,473,414,217.40/x
  3. Step 3: Cross multiply
    8,473,414,217.40x = 12,685,934,855.70 × 8,473,414,217.40
  4. Step 4: Simplify right side
    8,473,414,217.40x = 107,493,180,767,298,600,960
  5. Step 5: Solve for x
    x = 107,493,180,767,298,600,960/8,473,414,217.40
  6. Step 6: Final answer
    x = 12,685,934,855.70

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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.