Finding the Fourth Proportional to 271,373,489.62, 407,105,637.28 and 213,078,815.98
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Solution
The fourth proportional to 271,373,489.62, 407,105,637.28 and 213,078,815.98 is: 319,653,873.68
Step by Step Solution
- Step 1: Write the proportion equation
271,373,489.62 : 407,105,637.28 = 213,078,815.98 : x - Step 2: Convert to fraction form
271,373,489.62/407,105,637.28 = 213,078,815.98/x - Step 3: Cross multiply
271,373,489.62x = 407,105,637.28 × 213,078,815.98 - Step 4: Simplify right side
271,373,489.62x = 86,745,587,170,405,744 - Step 5: Solve for x
x = 86,745,587,170,405,744/271,373,489.62 - Step 6: Final answer
x = 319,653,873.68
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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.