Finding the Fourth Proportional to 327,471,958.80, 491,207,938.20 and 163,734,986.70
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Solution
The fourth proportional to 327,471,958.80, 491,207,938.20 and 163,734,986.70 is: 245,602,480.05
Step by Step Solution
- Step 1: Write the proportion equation
327,471,958.80 : 491,207,938.20 = 163,734,986.70 : x - Step 2: Convert to fraction form
327,471,958.80/491,207,938.20 = 163,734,986.70/x - Step 3: Cross multiply
327,471,958.80x = 491,207,938.20 × 163,734,986.70 - Step 4: Simplify right side
327,471,958.80x = 80,427,925,228,111,408 - Step 5: Solve for x
x = 80,427,925,228,111,408/327,471,958.80 - Step 6: Final answer
x = 245,602,480.05
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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.