Finding the Fourth Proportional to 445,871,704.44, 615,304,377.63 and 247,633,163.31
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Solution
The fourth proportional to 445,871,704.44, 615,304,377.63 and 247,633,163.31 is: 341,734,557.08
Step by Step Solution
- Step 1: Write the proportion equation
445,871,704.44 : 615,304,377.63 = 247,633,163.31 : x - Step 2: Convert to fraction form
445,871,704.44/615,304,377.63 = 247,633,163.31/x - Step 3: Cross multiply
445,871,704.44x = 615,304,377.63 × 247,633,163.31 - Step 4: Simplify right side
445,871,704.44x = 152,369,769,431,007,712 - Step 5: Solve for x
x = 152,369,769,431,007,712/445,871,704.44 - Step 6: Final answer
x = 341,734,557.08
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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.