Finding the Fourth Proportional to 300,437,170.37, 449,879,623.43 and 207,351,375.42
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Solution
The fourth proportional to 300,437,170.37, 449,879,623.43 and 207,351,375.42 is: 310,491,403.50
Step by Step Solution
- Step 1: Write the proportion equation
300,437,170.37 : 449,879,623.43 = 207,351,375.42 : x - Step 2: Convert to fraction form
300,437,170.37/449,879,623.43 = 207,351,375.42/x - Step 3: Cross multiply
300,437,170.37x = 449,879,623.43 × 207,351,375.42 - Step 4: Simplify right side
300,437,170.37x = 93,283,158,692,287,952 - Step 5: Solve for x
x = 93,283,158,692,287,952/300,437,170.37 - Step 6: Final answer
x = 310,491,403.50
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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.