Finding the Fourth Proportional to 8,122,894,201.28, 11,205,468,527.37 and 5,305,151,504
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Solution
The fourth proportional to 8,122,894,201.28, 11,205,468,527.37 and 5,305,151,504 is: 7,318,414,685.45
Step by Step Solution
- Step 1: Write the proportion equation
8,122,894,201.28 : 11,205,468,527.37 = 5,305,151,504 : x - Step 2: Convert to fraction form
8,122,894,201.28/11,205,468,527.37 = 5,305,151,504/x - Step 3: Cross multiply
8,122,894,201.28x = 11,205,468,527.37 × 5,305,151,504 - Step 4: Simplify right side
8,122,894,201.28x = 59,446,708,211,001,622,528 - Step 5: Solve for x
x = 59,446,708,211,001,622,528/8,122,894,201.28 - Step 6: Final answer
x = 7,318,414,685.45
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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.