Finding the Fourth Proportional to 2,758,197,538.54, 3,806,392,986.84 and 1,505,215,101.16
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Solution
The fourth proportional to 2,758,197,538.54, 3,806,392,986.84 and 1,505,215,101.16 is: 2,077,240,706.91
Step by Step Solution
- Step 1: Write the proportion equation
2,758,197,538.54 : 3,806,392,986.84 = 1,505,215,101.16 : x - Step 2: Convert to fraction form
2,758,197,538.54/3,806,392,986.84 = 1,505,215,101.16/x - Step 3: Cross multiply
2,758,197,538.54x = 3,806,392,986.84 × 1,505,215,101.16 - Step 4: Simplify right side
2,758,197,538.54x = 5,729,440,204,741,086,208 - Step 5: Solve for x
x = 5,729,440,204,741,086,208/2,758,197,538.54 - Step 6: Final answer
x = 2,077,240,706.91
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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.