Finding the Fourth Proportional to 378,132,496.20, 567,198,744.30 and 236,202,319.80
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Solution
The fourth proportional to 378,132,496.20, 567,198,744.30 and 236,202,319.80 is: 354,303,479.70
Step by Step Solution
- Step 1: Write the proportion equation
378,132,496.20 : 567,198,744.30 = 236,202,319.80 : x - Step 2: Convert to fraction form
378,132,496.20/567,198,744.30 = 236,202,319.80/x - Step 3: Cross multiply
378,132,496.20x = 567,198,744.30 × 236,202,319.80 - Step 4: Simplify right side
378,132,496.20x = 133,973,659,191,307,024 - Step 5: Solve for x
x = 133,973,659,191,307,024/378,132,496.20 - Step 6: Final answer
x = 354,303,479.70
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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.