Home / 20,810,654,739.71-28,718,724,795.26-11,295,208,450.92

Finding the Fourth Proportional to 20,810,654,739.71, 28,718,724,795.26 and 11,295,208,450.92

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Solution

The fourth proportional to 20,810,654,739.71, 28,718,724,795.26 and 11,295,208,450.92 is: 15,587,399,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810,654,739.71 : 28,718,724,795.26 = 11,295,208,450.92 : x
  2. Step 2: Convert to fraction form
    20,810,654,739.71/28,718,724,795.26 = 11,295,208,450.92/x
  3. Step 3: Cross multiply
    20,810,654,739.71x = 28,718,724,795.26 × 11,295,208,450.92
  4. Step 4: Simplify right side
    20,810,654,739.71x = 324,383,983,007,010,062,336
  5. Step 5: Solve for x
    x = 324,383,983,007,010,062,336/20,810,654,739.71
  6. Step 6: Final answer
    x = 15,587,399,198.36

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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.