Finding the Fourth Proportional to 428,083,175.97, 590,744,734.07 and 251,882,583.21
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Solution
The fourth proportional to 428,083,175.97, 590,744,734.07 and 251,882,583.21 is: 347,592,052.17
Step by Step Solution
- Step 1: Write the proportion equation
428,083,175.97 : 590,744,734.07 = 251,882,583.21 : x - Step 2: Convert to fraction form
428,083,175.97/590,744,734.07 = 251,882,583.21/x - Step 3: Cross multiply
428,083,175.97x = 590,744,734.07 × 251,882,583.21 - Step 4: Simplify right side
428,083,175.97x = 148,798,309,633,996,704 - Step 5: Solve for x
x = 148,798,309,633,996,704/428,083,175.97 - Step 6: Final answer
x = 347,592,052.17
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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.