Finding the Fourth Proportional to 332,138,233.40, 498,207,350.10 and 217,476,447.80
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Solution
The fourth proportional to 332,138,233.40, 498,207,350.10 and 217,476,447.80 is: 326,214,671.70
Step by Step Solution
- Step 1: Write the proportion equation
332,138,233.40 : 498,207,350.10 = 217,476,447.80 : x - Step 2: Convert to fraction form
332,138,233.40/498,207,350.10 = 217,476,447.80/x - Step 3: Cross multiply
332,138,233.40x = 498,207,350.10 × 217,476,447.80 - Step 4: Simplify right side
332,138,233.40x = 108,348,364,767,598,992 - Step 5: Solve for x
x = 108,348,364,767,598,992/332,138,233.40 - Step 6: Final answer
x = 326,214,671.70
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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.