Finding the Fourth Proportional to 263,229,523.12, 363,635,124.60 and 210,236,655.28
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Solution
The fourth proportional to 263,229,523.12, 363,635,124.60 and 210,236,655.28 is: 290,428,791.70
Step by Step Solution
- Step 1: Write the proportion equation
263,229,523.12 : 363,635,124.60 = 210,236,655.28 : x - Step 2: Convert to fraction form
263,229,523.12/363,635,124.60 = 210,236,655.28/x - Step 3: Cross multiply
263,229,523.12x = 363,635,124.60 × 210,236,655.28 - Step 4: Simplify right side
263,229,523.12x = 76,449,432,338,230,048 - Step 5: Solve for x
x = 76,449,432,338,230,048/263,229,523.12 - Step 6: Final answer
x = 290,428,791.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.