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Finding the Fourth Proportional to 3,305,280,376.80, 4,957,920,565.20 and 3,305,280,376.80

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Solution

The fourth proportional to 3,305,280,376.80, 4,957,920,565.20 and 3,305,280,376.80 is: 4,957,920,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305,280,376.80 : 4,957,920,565.20 = 3,305,280,376.80 : x
  2. Step 2: Convert to fraction form
    3,305,280,376.80/4,957,920,565.20 = 3,305,280,376.80/x
  3. Step 3: Cross multiply
    3,305,280,376.80x = 4,957,920,565.20 × 3,305,280,376.80
  4. Step 4: Simplify right side
    3,305,280,376.80x = 16,387,317,553,888,724,992
  5. Step 5: Solve for x
    x = 16,387,317,553,888,724,992/3,305,280,376.80
  6. Step 6: Final answer
    x = 4,957,920,565.20

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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.