Finding the Fourth Proportional to 562,251,799.44, 775,897,755.84 and 311,351,218.20
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Solution
The fourth proportional to 562,251,799.44, 775,897,755.84 and 311,351,218.20 is: 429,659,294.50
Step by Step Solution
- Step 1: Write the proportion equation
562,251,799.44 : 775,897,755.84 = 311,351,218.20 : x - Step 2: Convert to fraction form
562,251,799.44/775,897,755.84 = 311,351,218.20/x - Step 3: Cross multiply
562,251,799.44x = 775,897,755.84 × 311,351,218.20 - Step 4: Simplify right side
562,251,799.44x = 241,576,711,479,430,176 - Step 5: Solve for x
x = 241,576,711,479,430,176/562,251,799.44 - Step 6: Final answer
x = 429,659,294.50
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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.