Home / 627,117,564.87-940,615,563.15-190,422,087.48

Finding the Fourth Proportional to 627,117,564.87, 940,615,563.15 and 190,422,087.48

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Solution

The fourth proportional to 627,117,564.87, 940,615,563.15 and 190,422,087.48 is: 285,614,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,117,564.87 : 940,615,563.15 = 190,422,087.48 : x
  2. Step 2: Convert to fraction form
    627,117,564.87/940,615,563.15 = 190,422,087.48/x
  3. Step 3: Cross multiply
    627,117,564.87x = 940,615,563.15 × 190,422,087.48
  4. Step 4: Simplify right side
    627,117,564.87x = 179,113,979,051,198,752
  5. Step 5: Solve for x
    x = 179,113,979,051,198,752/627,117,564.87
  6. Step 6: Final answer
    x = 285,614,674.32

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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.