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Finding the Fourth Proportional to 5,420,844,000.30, 8,115,960,499.65 and 5,420,844,000.30

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Solution

The fourth proportional to 5,420,844,000.30, 8,115,960,499.65 and 5,420,844,000.30 is: 8,115,960,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,844,000.30 : 8,115,960,499.65 = 5,420,844,000.30 : x
  2. Step 2: Convert to fraction form
    5,420,844,000.30/8,115,960,499.65 = 5,420,844,000.30/x
  3. Step 3: Cross multiply
    5,420,844,000.30x = 8,115,960,499.65 × 5,420,844,000.30
  4. Step 4: Simplify right side
    5,420,844,000.30x = 43,995,355,781,199,495,168
  5. Step 5: Solve for x
    x = 43,995,355,781,199,495,168/5,420,844,000.30
  6. Step 6: Final answer
    x = 8,115,960,499.65

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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.