Home / 627,117,546.74-940,615,536.29-190,422,069.48

Finding the Fourth Proportional to 627,117,546.74, 940,615,536.29 and 190,422,069.48

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Solution

The fourth proportional to 627,117,546.74, 940,615,536.29 and 190,422,069.48 is: 285,614,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,117,546.74 : 940,615,536.29 = 190,422,069.48 : x
  2. Step 2: Convert to fraction form
    627,117,546.74/940,615,536.29 = 190,422,069.48/x
  3. Step 3: Cross multiply
    627,117,546.74x = 940,615,536.29 × 190,422,069.48
  4. Step 4: Simplify right side
    627,117,546.74x = 179,113,957,004,429,728
  5. Step 5: Solve for x
    x = 179,113,957,004,429,728/627,117,546.74
  6. Step 6: Final answer
    x = 285,614,647.42

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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.