Home / 263,261,632.80-394,892,449.20-186,734,128.80

Finding the Fourth Proportional to 263,261,632.80, 394,892,449.20 and 186,734,128.80

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Solution

The fourth proportional to 263,261,632.80, 394,892,449.20 and 186,734,128.80 is: 280,101,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,261,632.80 : 394,892,449.20 = 186,734,128.80 : x
  2. Step 2: Convert to fraction form
    263,261,632.80/394,892,449.20 = 186,734,128.80/x
  3. Step 3: Cross multiply
    263,261,632.80x = 394,892,449.20 × 186,734,128.80
  4. Step 4: Simplify right side
    263,261,632.80x = 73,739,897,471,060,256
  5. Step 5: Solve for x
    x = 73,739,897,471,060,256/263,261,632.80
  6. Step 6: Final answer
    x = 280,101,193.20

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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.