Home / 20,810,654,733.16-28,718,724,786.18-11,295,208,444.33

Finding the Fourth Proportional to 20,810,654,733.16, 28,718,724,786.18 and 11,295,208,444.33

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Solution

The fourth proportional to 20,810,654,733.16, 28,718,724,786.18 and 11,295,208,444.33 is: 15,587,399,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810,654,733.16 : 28,718,724,786.18 = 11,295,208,444.33 : x
  2. Step 2: Convert to fraction form
    20,810,654,733.16/28,718,724,786.18 = 11,295,208,444.33/x
  3. Step 3: Cross multiply
    20,810,654,733.16x = 28,718,724,786.18 × 11,295,208,444.33
  4. Step 4: Simplify right side
    20,810,654,733.16x = 324,383,982,715,249,623,040
  5. Step 5: Solve for x
    x = 324,383,982,715,249,623,040/20,810,654,733.16
  6. Step 6: Final answer
    x = 15,587,399,189.24

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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.