Home / 199,296,028.80-298,944,043.20-196,608,643.20

Finding the Fourth Proportional to 199,296,028.80, 298,944,043.20 and 196,608,643.20

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Solution

The fourth proportional to 199,296,028.80, 298,944,043.20 and 196,608,643.20 is: 294,912,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,296,028.80 : 298,944,043.20 = 196,608,643.20 : x
  2. Step 2: Convert to fraction form
    199,296,028.80/298,944,043.20 = 196,608,643.20/x
  3. Step 3: Cross multiply
    199,296,028.80x = 298,944,043.20 × 196,608,643.20
  4. Step 4: Simplify right side
    199,296,028.80x = 58,774,982,726,274,184
  5. Step 5: Solve for x
    x = 58,774,982,726,274,184/199,296,028.80
  6. Step 6: Final answer
    x = 294,912,964.80

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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.