Home / 18,202,898,028.76-27,304,347,108.72-5,116,694,844.76

Finding the Fourth Proportional to 18,202,898,028.76, 27,304,347,108.72 and 5,116,694,844.76

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Solution

The fourth proportional to 18,202,898,028.76, 27,304,347,108.72 and 5,116,694,844.76 is: 7,675,042,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,898,028.76 : 27,304,347,108.72 = 5,116,694,844.76 : x
  2. Step 2: Convert to fraction form
    18,202,898,028.76/27,304,347,108.72 = 5,116,694,844.76/x
  3. Step 3: Cross multiply
    18,202,898,028.76x = 27,304,347,108.72 × 5,116,694,844.76
  4. Step 4: Simplify right side
    18,202,898,028.76x = 139,708,012,090,725,253,120
  5. Step 5: Solve for x
    x = 139,708,012,090,725,253,120/18,202,898,028.76
  6. Step 6: Final answer
    x = 7,675,042,285.57

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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.