Finding the Fourth Proportional to 378,132,512.70, 567,198,769.05 and 236,202,336.30
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Solution
The fourth proportional to 378,132,512.70, 567,198,769.05 and 236,202,336.30 is: 354,303,504.45
Step by Step Solution
- Step 1: Write the proportion equation
378,132,512.70 : 567,198,769.05 = 236,202,336.30 : x - Step 2: Convert to fraction form
378,132,512.70/567,198,769.05 = 236,202,336.30/x - Step 3: Cross multiply
378,132,512.70x = 567,198,769.05 × 236,202,336.30 - Step 4: Simplify right side
378,132,512.70x = 133,973,674,396,094,128 - Step 5: Solve for x
x = 133,973,674,396,094,128/378,132,512.70 - Step 6: Final answer
x = 354,303,504.45
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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.