Finding the Fourth Proportional to 3,919,124,403.23, 5,879,537,857.69 and 1,431,981,335.15
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Solution
The fourth proportional to 3,919,124,403.23, 5,879,537,857.69 and 1,431,981,335.15 is: 2,148,283,036.02
Step by Step Solution
- Step 1: Write the proportion equation
3,919,124,403.23 : 5,879,537,857.69 = 1,431,981,335.15 : x - Step 2: Convert to fraction form
3,919,124,403.23/5,879,537,857.69 = 1,431,981,335.15/x - Step 3: Cross multiply
3,919,124,403.23x = 5,879,537,857.69 × 1,431,981,335.15 - Step 4: Simplify right side
3,919,124,403.23x = 8,419,388,471,512,737,792 - Step 5: Solve for x
x = 8,419,388,471,512,737,792/3,919,124,403.23 - Step 6: Final answer
x = 2,148,283,036.02
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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.