Finding the Fourth Proportional to 2,927,805,876.12, 4,040,442,311.94 and 1,589,752,357.68
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Solution
The fourth proportional to 2,927,805,876.12, 4,040,442,311.94 and 1,589,752,357.68 is: 2,193,896,372.66
Step by Step Solution
- Step 1: Write the proportion equation
2,927,805,876.12 : 4,040,442,311.94 = 1,589,752,357.68 : x - Step 2: Convert to fraction form
2,927,805,876.12/4,040,442,311.94 = 1,589,752,357.68/x - Step 3: Cross multiply
2,927,805,876.12x = 4,040,442,311.94 × 1,589,752,357.68 - Step 4: Simplify right side
2,927,805,876.12x = 6,423,302,691,476,644,864 - Step 5: Solve for x
x = 6,423,302,691,476,644,864/2,927,805,876.12 - Step 6: Final answer
x = 2,193,896,372.66
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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.