Finding the Fourth Proportional to 3,815,910,105.08, 5,262,403,155.26 and 2,476,367,892.09
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Solution
The fourth proportional to 3,815,910,105.08, 5,262,403,155.26 and 2,476,367,892.09 is: 3,415,082,077.43
Step by Step Solution
- Step 1: Write the proportion equation
3,815,910,105.08 : 5,262,403,155.26 = 2,476,367,892.09 : x - Step 2: Convert to fraction form
3,815,910,105.08/5,262,403,155.26 = 2,476,367,892.09/x - Step 3: Cross multiply
3,815,910,105.08x = 5,262,403,155.26 × 2,476,367,892.09 - Step 4: Simplify right side
3,815,910,105.08x = 13,031,646,208,906,590,208 - Step 5: Solve for x
x = 13,031,646,208,906,590,208/3,815,910,105.08 - Step 6: Final answer
x = 3,415,082,077.43
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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.