Finding the Fourth Proportional to 1,694,717,240.16, 2,338,737,762.60 and 931,793,545.92
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Solution
The fourth proportional to 1,694,717,240.16, 2,338,737,762.60 and 931,793,545.92 is: 1,285,890,472.55
Step by Step Solution
- Step 1: Write the proportion equation
1,694,717,240.16 : 2,338,737,762.60 = 931,793,545.92 : x - Step 2: Convert to fraction form
1,694,717,240.16/2,338,737,762.60 = 931,793,545.92/x - Step 3: Cross multiply
1,694,717,240.16x = 2,338,737,762.60 × 931,793,545.92 - Step 4: Simplify right side
1,694,717,240.16x = 2,179,220,752,790,061,056 - Step 5: Solve for x
x = 2,179,220,752,790,061,056/1,694,717,240.16 - Step 6: Final answer
x = 1,285,890,472.55
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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.