Home / 627,093,458.12-940,676,797.56-190,408,388.42

Finding the Fourth Proportional to 627,093,458.12, 940,676,797.56 and 190,408,388.42

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Solution

The fourth proportional to 627,093,458.12, 940,676,797.56 and 190,408,388.42 is: 285,623,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,093,458.12 : 940,676,797.56 = 190,408,388.42 : x
  2. Step 2: Convert to fraction form
    627,093,458.12/940,676,797.56 = 190,408,388.42/x
  3. Step 3: Cross multiply
    627,093,458.12x = 940,676,797.56 × 190,408,388.42
  4. Step 4: Simplify right side
    627,093,458.12x = 179,112,753,047,486,176
  5. Step 5: Solve for x
    x = 179,112,753,047,486,176/627,093,458.12
  6. Step 6: Final answer
    x = 285,623,698.87

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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.