Home / 263,168,003.20-394,752,004.80-258,689,027.20

Finding the Fourth Proportional to 263,168,003.20, 394,752,004.80 and 258,689,027.20

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Solution

The fourth proportional to 263,168,003.20, 394,752,004.80 and 258,689,027.20 is: 388,033,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,168,003.20 : 394,752,004.80 = 258,689,027.20 : x
  2. Step 2: Convert to fraction form
    263,168,003.20/394,752,004.80 = 258,689,027.20/x
  3. Step 3: Cross multiply
    263,168,003.20x = 394,752,004.80 × 258,689,027.20
  4. Step 4: Simplify right side
    263,168,003.20x = 102,118,012,106,961,728
  5. Step 5: Solve for x
    x = 102,118,012,106,961,728/263,168,003.20
  6. Step 6: Final answer
    x = 388,033,540.80

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1.5x scale

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.