Finding the Fourth Proportional to 2,217,788,170.92, 3,060,571,862.34 and 1,227,730,121.64
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Solution
The fourth proportional to 2,217,788,170.92, 3,060,571,862.34 and 1,227,730,121.64 is: 1,694,280,957.09
Step by Step Solution
- Step 1: Write the proportion equation
2,217,788,170.92 : 3,060,571,862.34 = 1,227,730,121.64 : x - Step 2: Convert to fraction form
2,217,788,170.92/3,060,571,862.34 = 1,227,730,121.64/x - Step 3: Cross multiply
2,217,788,170.92x = 3,060,571,862.34 × 1,227,730,121.64 - Step 4: Simplify right side
2,217,788,170.92x = 3,757,556,264,838,649,856 - Step 5: Solve for x
x = 3,757,556,264,838,649,856/2,217,788,170.92 - Step 6: Final answer
x = 1,694,280,957.09
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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.