Finding the Fourth Proportional to 408,825,310.16, 564,187,463.88 and 223,194,149.84
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Solution
The fourth proportional to 408,825,310.16, 564,187,463.88 and 223,194,149.84 is: 308,012,586.85
Step by Step Solution
- Step 1: Write the proportion equation
408,825,310.16 : 564,187,463.88 = 223,194,149.84 : x - Step 2: Convert to fraction form
408,825,310.16/564,187,463.88 = 223,194,149.84/x - Step 3: Cross multiply
408,825,310.16x = 564,187,463.88 × 223,194,149.84 - Step 4: Simplify right side
408,825,310.16x = 125,923,341,351,082,304 - Step 5: Solve for x
x = 125,923,341,351,082,304/408,825,310.16 - Step 6: Final answer
x = 308,012,586.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.