Home / 13,373,520,950.08-18,454,361,914.62-7,873,162,499.80

Finding the Fourth Proportional to 13,373,520,950.08, 18,454,361,914.62 and 7,873,162,499.80

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Solution

The fourth proportional to 13,373,520,950.08, 18,454,361,914.62 and 7,873,162,499.80 is: 10,864,318,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373,520,950.08 : 18,454,361,914.62 = 7,873,162,499.80 : x
  2. Step 2: Convert to fraction form
    13,373,520,950.08/18,454,361,914.62 = 7,873,162,499.80/x
  3. Step 3: Cross multiply
    13,373,520,950.08x = 18,454,361,914.62 × 7,873,162,499.80
  4. Step 4: Simplify right side
    13,373,520,950.08x = 145,294,190,183,923,515,392
  5. Step 5: Solve for x
    x = 145,294,190,183,923,515,392/13,373,520,950.08
  6. Step 6: Final answer
    x = 10,864,318,433.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.