Home / 263,275,223.85-394,912,835.78-198,226,845.45

Finding the Fourth Proportional to 263,275,223.85, 394,912,835.78 and 198,226,845.45

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Solution

The fourth proportional to 263,275,223.85, 394,912,835.78 and 198,226,845.45 is: 297,340,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,275,223.85 : 394,912,835.78 = 198,226,845.45 : x
  2. Step 2: Convert to fraction form
    263,275,223.85/394,912,835.78 = 198,226,845.45/x
  3. Step 3: Cross multiply
    263,275,223.85x = 394,912,835.78 × 198,226,845.45
  4. Step 4: Simplify right side
    263,275,223.85x = 78,282,325,663,392,144
  5. Step 5: Solve for x
    x = 78,282,325,663,392,144/263,275,223.85
  6. Step 6: Final answer
    x = 297,340,268.18

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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.