Finding the Fourth Proportional to 451,317,638.26, 622,907,660.49 and 292,744,279.75
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Solution
The fourth proportional to 451,317,638.26, 622,907,660.49 and 292,744,279.75 is: 404,045,042.70
Step by Step Solution
- Step 1: Write the proportion equation
451,317,638.26 : 622,907,660.49 = 292,744,279.75 : x - Step 2: Convert to fraction form
451,317,638.26/622,907,660.49 = 292,744,279.75/x - Step 3: Cross multiply
451,317,638.26x = 622,907,660.49 × 292,744,279.75 - Step 4: Simplify right side
451,317,638.26x = 182,352,654,420,902,592 - Step 5: Solve for x
x = 182,352,654,420,902,592/451,317,638.26 - Step 6: Final answer
x = 404,045,042.70
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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.