Home / 15,393,097,379.02-23,081,228,843.77-12,222,731,385.97

Finding the Fourth Proportional to 15,393,097,379.02, 23,081,228,843.77 and 12,222,731,385.97

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Solution

The fourth proportional to 15,393,097,379.02, 23,081,228,843.77 and 12,222,731,385.97 is: 18,327,413,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,393,097,379.02 : 23,081,228,843.77 = 12,222,731,385.97 : x
  2. Step 2: Convert to fraction form
    15,393,097,379.02/23,081,228,843.77 = 12,222,731,385.97/x
  3. Step 3: Cross multiply
    15,393,097,379.02x = 23,081,228,843.77 × 12,222,731,385.97
  4. Step 4: Simplify right side
    15,393,097,379.02x = 282,115,660,215,469,703,168
  5. Step 5: Solve for x
    x = 282,115,660,215,469,703,168/15,393,097,379.02
  6. Step 6: Final answer
    x = 18,327,413,467.81

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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.