Home / 10,911,281,861.15-16,366,922,791.73-9,865,246,540.85

Finding the Fourth Proportional to 10,911,281,861.15, 16,366,922,791.73 and 9,865,246,540.85

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Solution

The fourth proportional to 10,911,281,861.15, 16,366,922,791.73 and 9,865,246,540.85 is: 14,797,869,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911,281,861.15 : 16,366,922,791.73 = 9,865,246,540.85 : x
  2. Step 2: Convert to fraction form
    10,911,281,861.15/16,366,922,791.73 = 9,865,246,540.85/x
  3. Step 3: Cross multiply
    10,911,281,861.15x = 16,366,922,791.73 × 9,865,246,540.85
  4. Step 4: Simplify right side
    10,911,281,861.15x = 161,463,728,455,473,397,760
  5. Step 5: Solve for x
    x = 161,463,728,455,473,397,760/10,911,281,861.15
  6. Step 6: Final answer
    x = 14,797,869,811.28

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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.