Home / 251,615,436,553.98-377,476,161,712.53-81,621,751,974.37

Finding the Fourth Proportional to 251,615,436,553.98, 377,476,161,712.53 and 81,621,751,974.37

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Solution

The fourth proportional to 251,615,436,553.98, 377,476,161,712.53 and 81,621,751,974.37 is: 122,449,822,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,615,436,553.98 : 377,476,161,712.53 = 81,621,751,974.37 : x
  2. Step 2: Convert to fraction form
    251,615,436,553.98/377,476,161,712.53 = 81,621,751,974.37/x
  3. Step 3: Cross multiply
    251,615,436,553.98x = 377,476,161,712.53 × 81,621,751,974.37
  4. Step 4: Simplify right side
    251,615,436,553.98x = 30,810,265,647,535,422,963,712
  5. Step 5: Solve for x
    x = 30,810,265,647,535,422,963,712/251,615,436,553.98
  6. Step 6: Final answer
    x = 122,449,822,910.31

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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.