Finding the Fourth Proportional to 327,278,577.62, 451,654,030.23 and 178,609,257.62
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Solution
The fourth proportional to 327,278,577.62, 451,654,030.23 and 178,609,257.62 is: 246,486,010.87
Step by Step Solution
- Step 1: Write the proportion equation
327,278,577.62 : 451,654,030.23 = 178,609,257.62 : x - Step 2: Convert to fraction form
327,278,577.62/451,654,030.23 = 178,609,257.62/x - Step 3: Cross multiply
327,278,577.62x = 451,654,030.23 × 178,609,257.62 - Step 4: Simplify right side
327,278,577.62x = 80,669,591,038,203,072 - Step 5: Solve for x
x = 80,669,591,038,203,072/327,278,577.62 - Step 6: Final answer
x = 246,486,010.87
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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.