Finding the Fourth Proportional to 2,758,177,676.88, 3,806,253,838.08 and 1,505,135,851.92
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Solution
The fourth proportional to 2,758,177,676.88, 3,806,253,838.08 and 1,505,135,851.92 is: 2,077,070,364.69
Step by Step Solution
- Step 1: Write the proportion equation
2,758,177,676.88 : 3,806,253,838.08 = 1,505,135,851.92 : x - Step 2: Convert to fraction form
2,758,177,676.88/3,806,253,838.08 = 1,505,135,851.92/x - Step 3: Cross multiply
2,758,177,676.88x = 3,806,253,838.08 × 1,505,135,851.92 - Step 4: Simplify right side
2,758,177,676.88x = 5,728,929,113,202,311,168 - Step 5: Solve for x
x = 5,728,929,113,202,311,168/2,758,177,676.88 - Step 6: Final answer
x = 2,077,070,364.69
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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.