Finding the Fourth Proportional to 819,153,003.20, 1,228,729,504.80 and 273,894,537.20
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Solution
The fourth proportional to 819,153,003.20, 1,228,729,504.80 and 273,894,537.20 is: 410,841,805.80
Step by Step Solution
- Step 1: Write the proportion equation
819,153,003.20 : 1,228,729,504.80 = 273,894,537.20 : x - Step 2: Convert to fraction form
819,153,003.20/1,228,729,504.80 = 273,894,537.20/x - Step 3: Cross multiply
819,153,003.20x = 1,228,729,504.80 × 273,894,537.20 - Step 4: Simplify right side
819,153,003.20x = 336,542,299,061,181,120 - Step 5: Solve for x
x = 336,542,299,061,181,120/819,153,003.20 - Step 6: Final answer
x = 410,841,805.80
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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.