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Finding the Fourth Proportional to 4,457,242,909.20, 6,685,864,363.80 and 4,457,242,909.20

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Solution

The fourth proportional to 4,457,242,909.20, 6,685,864,363.80 and 4,457,242,909.20 is: 6,685,864,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457,242,909.20 : 6,685,864,363.80 = 4,457,242,909.20 : x
  2. Step 2: Convert to fraction form
    4,457,242,909.20/6,685,864,363.80 = 4,457,242,909.20/x
  3. Step 3: Cross multiply
    4,457,242,909.20x = 6,685,864,363.80 × 4,457,242,909.20
  4. Step 4: Simplify right side
    4,457,242,909.20x = 29,800,521,527,420,518,400
  5. Step 5: Solve for x
    x = 29,800,521,527,420,518,400/4,457,242,909.20
  6. Step 6: Final answer
    x = 6,685,864,363.80

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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.