Finding the Fourth Proportional to 325,966,868.49, 449,951,286.17 and 193,807,549.71
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Solution
The fourth proportional to 325,966,868.49, 449,951,286.17 and 193,807,549.71 is: 267,523,986.92
Step by Step Solution
- Step 1: Write the proportion equation
325,966,868.49 : 449,951,286.17 = 193,807,549.71 : x - Step 2: Convert to fraction form
325,966,868.49/449,951,286.17 = 193,807,549.71/x - Step 3: Cross multiply
325,966,868.49x = 449,951,286.17 × 193,807,549.71 - Step 4: Simplify right side
325,966,868.49x = 87,203,956,262,188,992 - Step 5: Solve for x
x = 87,203,956,262,188,992/325,966,868.49 - Step 6: Final answer
x = 267,523,986.92
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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.