Finding the Fourth Proportional to 300,190,186.28, 414,266,687.84 and 172,960,548.49
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Solution
The fourth proportional to 300,190,186.28, 414,266,687.84 and 172,960,548.49 is: 238,687,994.56
Step by Step Solution
- Step 1: Write the proportion equation
300,190,186.28 : 414,266,687.84 = 172,960,548.49 : x - Step 2: Convert to fraction form
300,190,186.28/414,266,687.84 = 172,960,548.49/x - Step 3: Cross multiply
300,190,186.28x = 414,266,687.84 × 172,960,548.49 - Step 4: Simplify right side
300,190,186.28x = 71,651,793,549,942,016 - Step 5: Solve for x
x = 71,651,793,549,942,016/300,190,186.28 - Step 6: Final answer
x = 238,687,994.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.