Finding the Fourth Proportional to 1,264,198,256.49, 1,744,597,326.49 and 699,722,344.20
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Solution
The fourth proportional to 1,264,198,256.49, 1,744,597,326.49 and 699,722,344.20 is: 965,618,900.92
Step by Step Solution
- Step 1: Write the proportion equation
1,264,198,256.49 : 1,744,597,326.49 = 699,722,344.20 : x - Step 2: Convert to fraction form
1,264,198,256.49/1,744,597,326.49 = 699,722,344.20/x - Step 3: Cross multiply
1,264,198,256.49x = 1,744,597,326.49 × 699,722,344.20 - Step 4: Simplify right side
1,264,198,256.49x = 1,220,733,730,974,886,400 - Step 5: Solve for x
x = 1,220,733,730,974,886,400/1,264,198,256.49 - Step 6: Final answer
x = 965,618,900.92
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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.