Finding the Fourth Proportional to 378,239,204.18, 566,825,474.81 and 178,605,481.52
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Solution
The fourth proportional to 378,239,204.18, 566,825,474.81 and 178,605,481.52 is: 267,656,381.85
Step by Step Solution
- Step 1: Write the proportion equation
378,239,204.18 : 566,825,474.81 = 178,605,481.52 : x - Step 2: Convert to fraction form
378,239,204.18/566,825,474.81 = 178,605,481.52/x - Step 3: Cross multiply
378,239,204.18x = 566,825,474.81 × 178,605,481.52 - Step 4: Simplify right side
378,239,204.18x = 101,238,136,862,515,504 - Step 5: Solve for x
x = 101,238,136,862,515,504/378,239,204.18 - Step 6: Final answer
x = 267,656,381.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.