Finding the Fourth Proportional to 862,386,793.57, 1,293,063,044.36 and 395,463,286.98
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Solution
The fourth proportional to 862,386,793.57, 1,293,063,044.36 and 395,463,286.98 is: 592,957,783.68
Step by Step Solution
- Step 1: Write the proportion equation
862,386,793.57 : 1,293,063,044.36 = 395,463,286.98 : x - Step 2: Convert to fraction form
862,386,793.57/1,293,063,044.36 = 395,463,286.98/x - Step 3: Cross multiply
862,386,793.57x = 1,293,063,044.36 × 395,463,286.98 - Step 4: Simplify right side
862,386,793.57x = 511,358,961,792,993,856 - Step 5: Solve for x
x = 511,358,961,792,993,856/862,386,793.57 - Step 6: Final answer
x = 592,957,783.68
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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.