Finding the Fourth Proportional to 3,802,288,910.21, 5,246,464,896.79 and 2,194,157,235.82
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Solution
The fourth proportional to 3,802,288,910.21, 5,246,464,896.79 and 2,194,157,235.82 is: 3,027,536,620.08
Step by Step Solution
- Step 1: Write the proportion equation
3,802,288,910.21 : 5,246,464,896.79 = 2,194,157,235.82 : x - Step 2: Convert to fraction form
3,802,288,910.21/5,246,464,896.79 = 2,194,157,235.82/x - Step 3: Cross multiply
3,802,288,910.21x = 5,246,464,896.79 × 2,194,157,235.82 - Step 4: Simplify right side
3,802,288,910.21x = 11,511,568,915,756,437,504 - Step 5: Solve for x
x = 11,511,568,915,756,437,504/3,802,288,910.21 - Step 6: Final answer
x = 3,027,536,620.08
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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.