Home / 263,261,490.30-394,892,235.45-186,733,986.30

Finding the Fourth Proportional to 263,261,490.30, 394,892,235.45 and 186,733,986.30

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Solution

The fourth proportional to 263,261,490.30, 394,892,235.45 and 186,733,986.30 is: 280,100,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,261,490.30 : 394,892,235.45 = 186,733,986.30 : x
  2. Step 2: Convert to fraction form
    263,261,490.30/394,892,235.45 = 186,733,986.30/x
  3. Step 3: Cross multiply
    263,261,490.30x = 394,892,235.45 × 186,733,986.30
  4. Step 4: Simplify right side
    263,261,490.30x = 73,739,801,284,496,672
  5. Step 5: Solve for x
    x = 73,739,801,284,496,672/263,261,490.30
  6. Step 6: Final answer
    x = 280,100,979.45

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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.