Home / 3,889,997,215.82-5,368,197,890.98-2,105,850,611.13

Finding the Fourth Proportional to 3,889,997,215.82, 5,368,197,890.98 and 2,105,850,611.13

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Solution

The fourth proportional to 3,889,997,215.82, 5,368,197,890.98 and 2,105,850,611.13 is: 2,906,074,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,997,215.82 : 5,368,197,890.98 = 2,105,850,611.13 : x
  2. Step 2: Convert to fraction form
    3,889,997,215.82/5,368,197,890.98 = 2,105,850,611.13/x
  3. Step 3: Cross multiply
    3,889,997,215.82x = 5,368,197,890.98 × 2,105,850,611.13
  4. Step 4: Simplify right side
    3,889,997,215.82x = 11,304,622,809,387,010,048
  5. Step 5: Solve for x
    x = 11,304,622,809,387,010,048/3,889,997,215.82
  6. Step 6: Final answer
    x = 2,906,074,781.60

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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.