Home / 629,873,642.80-944,810,464.20-199,052,138.80

Finding the Fourth Proportional to 629,873,642.80, 944,810,464.20 and 199,052,138.80

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Solution

The fourth proportional to 629,873,642.80, 944,810,464.20 and 199,052,138.80 is: 298,578,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,873,642.80 : 944,810,464.20 = 199,052,138.80 : x
  2. Step 2: Convert to fraction form
    629,873,642.80/944,810,464.20 = 199,052,138.80/x
  3. Step 3: Cross multiply
    629,873,642.80x = 944,810,464.20 × 199,052,138.80
  4. Step 4: Simplify right side
    629,873,642.80x = 188,066,543,659,630,848
  5. Step 5: Solve for x
    x = 188,066,543,659,630,848/629,873,642.80
  6. Step 6: Final answer
    x = 298,578,208.20

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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.