Home / 20,810,654,727.29-28,718,724,778.05-11,295,208,438.44

Finding the Fourth Proportional to 20,810,654,727.29, 28,718,724,778.05 and 11,295,208,438.44

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Solution

The fourth proportional to 20,810,654,727.29, 28,718,724,778.05 and 11,295,208,438.44 is: 15,587,399,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810,654,727.29 : 28,718,724,778.05 = 11,295,208,438.44 : x
  2. Step 2: Convert to fraction form
    20,810,654,727.29/28,718,724,778.05 = 11,295,208,438.44/x
  3. Step 3: Cross multiply
    20,810,654,727.29x = 28,718,724,778.05 × 11,295,208,438.44
  4. Step 4: Simplify right side
    20,810,654,727.29x = 324,383,982,454,266,265,600
  5. Step 5: Solve for x
    x = 324,383,982,454,266,265,600/20,810,654,727.29
  6. Step 6: Final answer
    x = 15,587,399,181.10

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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.