Finding the Fourth Proportional to 364,981,974.49, 503,672,968.56 and 197,721,424.63
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Solution
The fourth proportional to 364,981,974.49, 503,672,968.56 and 197,721,424.63 is: 272,854,397.89
Step by Step Solution
- Step 1: Write the proportion equation
364,981,974.49 : 503,672,968.56 = 197,721,424.63 : x - Step 2: Convert to fraction form
364,981,974.49/503,672,968.56 = 197,721,424.63/x - Step 3: Cross multiply
364,981,974.49x = 503,672,968.56 × 197,721,424.63 - Step 4: Simplify right side
364,981,974.49x = 99,586,936,891,304,400 - Step 5: Solve for x
x = 99,586,936,891,304,400/364,981,974.49 - Step 6: Final answer
x = 272,854,397.89
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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.