Home / 299,216,640,757.66-412,919,186,865.84-162,040,531,824.64

Finding the Fourth Proportional to 299,216,640,757.66, 412,919,186,865.84 and 162,040,531,824.64

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Solution

The fourth proportional to 299,216,640,757.66, 412,919,186,865.84 and 162,040,531,824.64 is: 223,616,054,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,216,640,757.66 : 412,919,186,865.84 = 162,040,531,824.64 : x
  2. Step 2: Convert to fraction form
    299,216,640,757.66/412,919,186,865.84 = 162,040,531,824.64/x
  3. Step 3: Cross multiply
    299,216,640,757.66x = 412,919,186,865.84 × 162,040,531,824.64
  4. Step 4: Simplify right side
    299,216,640,757.66x = 66,909,644,640,338,625,691,648
  5. Step 5: Solve for x
    x = 66,909,644,640,338,625,691,648/299,216,640,757.66
  6. Step 6: Final answer
    x = 223,616,054,477.83

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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.