Finding the Fourth Proportional to 5,342,601,528,496.40, 7,372,385,491,906.80 and 2,998,348,159,628
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Solution
The fourth proportional to 5,342,601,528,496.40, 7,372,385,491,906.80 and 2,998,348,159,628 is: 4,137,493,382,919.02
Step by Step Solution
- Step 1: Write the proportion equation
5,342,601,528,496.40 : 7,372,385,491,906.80 = 2,998,348,159,628 : x - Step 2: Convert to fraction form
5,342,601,528,496.40/7,372,385,491,906.80 = 2,998,348,159,628/x - Step 3: Cross multiply
5,342,601,528,496.40x = 7,372,385,491,906.80 × 2,998,348,159,628 - Step 4: Simplify right side
5,342,601,528,496.40x = 22,104,978,471,726,919,251,394,560 - Step 5: Solve for x
x = 22,104,978,471,726,919,251,394,560/5,342,601,528,496.40 - Step 6: Final answer
x = 4,137,493,382,919.02
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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.