Home / 18,701,325,318.90-28,096,739,976.30-11,991,613,106.13

Finding the Fourth Proportional to 18,701,325,318.90, 28,096,739,976.30 and 11,991,613,106.13

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Solution

The fourth proportional to 18,701,325,318.90, 28,096,739,976.30 and 11,991,613,106.13 is: 18,016,115,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,325,318.90 : 28,096,739,976.30 = 11,991,613,106.13 : x
  2. Step 2: Convert to fraction form
    18,701,325,318.90/28,096,739,976.30 = 11,991,613,106.13/x
  3. Step 3: Cross multiply
    18,701,325,318.90x = 28,096,739,976.30 × 11,991,613,106.13
  4. Step 4: Simplify right side
    18,701,325,318.90x = 336,925,235,339,165,433,856
  5. Step 5: Solve for x
    x = 336,925,235,339,165,433,856/18,701,325,318.90
  6. Step 6: Final answer
    x = 18,016,115,413.95

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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.