Finding the Fourth Proportional to 263,084,616.80, 394,060,054.80 and 217,734,984.80
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Solution
The fourth proportional to 263,084,616.80, 394,060,054.80 and 217,734,984.80 is: 326,133,321.99
Step by Step Solution
- Step 1: Write the proportion equation
263,084,616.80 : 394,060,054.80 = 217,734,984.80 : x - Step 2: Convert to fraction form
263,084,616.80/394,060,054.80 = 217,734,984.80/x - Step 3: Cross multiply
263,084,616.80x = 394,060,054.80 × 217,734,984.80 - Step 4: Simplify right side
263,084,616.80x = 85,800,660,042,165,168 - Step 5: Solve for x
x = 85,800,660,042,165,168/263,084,616.80 - Step 6: Final answer
x = 326,133,321.99
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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.