Home / 12,839,802,577.20-17,656,094,566.13-11,143,311,928.94

Finding the Fourth Proportional to 12,839,802,577.20, 17,656,094,566.13 and 11,143,311,928.94

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Solution

The fourth proportional to 12,839,802,577.20, 17,656,094,566.13 and 11,143,311,928.94 is: 15,323,239,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839,802,577.20 : 17,656,094,566.13 = 11,143,311,928.94 : x
  2. Step 2: Convert to fraction form
    12,839,802,577.20/17,656,094,566.13 = 11,143,311,928.94/x
  3. Step 3: Cross multiply
    12,839,802,577.20x = 17,656,094,566.13 × 11,143,311,928.94
  4. Step 4: Simplify right side
    12,839,802,577.20x = 196,747,369,197,246,414,848
  5. Step 5: Solve for x
    x = 196,747,369,197,246,414,848/12,839,802,577.20
  6. Step 6: Final answer
    x = 15,323,239,435.68

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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.