Finding the Fourth Proportional to 299,419,531.20, 449,129,296.80 and 295,388,452.80
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Solution
The fourth proportional to 299,419,531.20, 449,129,296.80 and 295,388,452.80 is: 443,082,679.20
Step by Step Solution
- Step 1: Write the proportion equation
299,419,531.20 : 449,129,296.80 = 295,388,452.80 : x - Step 2: Convert to fraction form
299,419,531.20/449,129,296.80 = 295,388,452.80/x - Step 3: Cross multiply
299,419,531.20x = 449,129,296.80 × 295,388,452.80 - Step 4: Simplify right side
299,419,531.20x = 132,667,608,088,904,000 - Step 5: Solve for x
x = 132,667,608,088,904,000/299,419,531.20 - Step 6: Final answer
x = 443,082,679.20
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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.