Finding the Fourth Proportional to 3,027,321,745.20, 4,540,982,617.80 and 1,981,286,424.90
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Solution
The fourth proportional to 3,027,321,745.20, 4,540,982,617.80 and 1,981,286,424.90 is: 2,971,929,637.35
Step by Step Solution
- Step 1: Write the proportion equation
3,027,321,745.20 : 4,540,982,617.80 = 1,981,286,424.90 : x - Step 2: Convert to fraction form
3,027,321,745.20/4,540,982,617.80 = 1,981,286,424.90/x - Step 3: Cross multiply
3,027,321,745.20x = 4,540,982,617.80 × 1,981,286,424.90 - Step 4: Simplify right side
3,027,321,745.20x = 8,996,987,216,354,006,016 - Step 5: Solve for x
x = 8,996,987,216,354,006,016/3,027,321,745.20 - Step 6: Final answer
x = 2,971,929,637.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.