Finding the Fourth Proportional to 3,438,514,512.40, 5,145,867,490.20 and 2,059,318,829.20
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Solution
The fourth proportional to 3,438,514,512.40, 5,145,867,490.20 and 2,059,318,829.20 is: 3,081,848,797.47
Step by Step Solution
- Step 1: Write the proportion equation
3,438,514,512.40 : 5,145,867,490.20 = 2,059,318,829.20 : x - Step 2: Convert to fraction form
3,438,514,512.40/5,145,867,490.20 = 2,059,318,829.20/x - Step 3: Cross multiply
3,438,514,512.40x = 5,145,867,490.20 × 2,059,318,829.20 - Step 4: Simplify right side
3,438,514,512.40x = 10,596,981,815,137,005,568 - Step 5: Solve for x
x = 10,596,981,815,137,005,568/3,438,514,512.40 - Step 6: Final answer
x = 3,081,848,797.47
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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.