Finding the Fourth Proportional to 378,546,233.70, 567,819,350.55 and 163,135,481.70
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Solution
The fourth proportional to 378,546,233.70, 567,819,350.55 and 163,135,481.70 is: 244,703,222.55
Step by Step Solution
- Step 1: Write the proportion equation
378,546,233.70 : 567,819,350.55 = 163,135,481.70 : x - Step 2: Convert to fraction form
378,546,233.70/567,819,350.55 = 163,135,481.70/x - Step 3: Cross multiply
378,546,233.70x = 567,819,350.55 × 163,135,481.70 - Step 4: Simplify right side
378,546,233.70x = 92,631,483,270,555,392 - Step 5: Solve for x
x = 92,631,483,270,555,392/378,546,233.70 - Step 6: Final answer
x = 244,703,222.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.