Finding the Fourth Proportional to 263,056,736.80, 394,585,105.20 and 255,498,464.80
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Solution
The fourth proportional to 263,056,736.80, 394,585,105.20 and 255,498,464.80 is: 383,247,697.20
Step by Step Solution
- Step 1: Write the proportion equation
263,056,736.80 : 394,585,105.20 = 255,498,464.80 : x - Step 2: Convert to fraction form
263,056,736.80/394,585,105.20 = 255,498,464.80/x - Step 3: Cross multiply
263,056,736.80x = 394,585,105.20 × 255,498,464.80 - Step 4: Simplify right side
263,056,736.80x = 100,815,888,611,546,496 - Step 5: Solve for x
x = 100,815,888,611,546,496/263,056,736.80 - Step 6: Final answer
x = 383,247,697.20
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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.