Finding the Fourth Proportional to 2,882,667,581.30, 4,322,883,481.36 and 991,504,163.96
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Solution
The fourth proportional to 2,882,667,581.30, 4,322,883,481.36 and 991,504,163.96 is: 1,486,871,743.34
Step by Step Solution
- Step 1: Write the proportion equation
2,882,667,581.30 : 4,322,883,481.36 = 991,504,163.96 : x - Step 2: Convert to fraction form
2,882,667,581.30/4,322,883,481.36 = 991,504,163.96/x - Step 3: Cross multiply
2,882,667,581.30x = 4,322,883,481.36 × 991,504,163.96 - Step 4: Simplify right side
2,882,667,581.30x = 4,286,156,972,082,340,864 - Step 5: Solve for x
x = 4,286,156,972,082,340,864/2,882,667,581.30 - Step 6: Final answer
x = 1,486,871,743.34
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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.