Home / 263,397,733.94-394,967,314.76-130,296,805.78

Finding the Fourth Proportional to 263,397,733.94, 394,967,314.76 and 130,296,805.78

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Solution

The fourth proportional to 263,397,733.94, 394,967,314.76 and 130,296,805.78 is: 195,381,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,397,733.94 : 394,967,314.76 = 130,296,805.78 : x
  2. Step 2: Convert to fraction form
    263,397,733.94/394,967,314.76 = 130,296,805.78/x
  3. Step 3: Cross multiply
    263,397,733.94x = 394,967,314.76 × 130,296,805.78
  4. Step 4: Simplify right side
    263,397,733.94x = 51,462,979,500,731,848
  5. Step 5: Solve for x
    x = 51,462,979,500,731,848/263,397,733.94
  6. Step 6: Final answer
    x = 195,381,253.78

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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.