Finding the Fourth Proportional to 3,894,973,326.88, 5,375,193,180.24 and 2,134,845,244.96
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Solution
The fourth proportional to 3,894,973,326.88, 5,375,193,180.24 and 2,134,845,244.96 is: 2,946,157,685.44
Step by Step Solution
- Step 1: Write the proportion equation
3,894,973,326.88 : 5,375,193,180.24 = 2,134,845,244.96 : x - Step 2: Convert to fraction form
3,894,973,326.88/5,375,193,180.24 = 2,134,845,244.96/x - Step 3: Cross multiply
3,894,973,326.88x = 5,375,193,180.24 × 2,134,845,244.96 - Step 4: Simplify right side
3,894,973,326.88x = 11,475,205,601,576,783,872 - Step 5: Solve for x
x = 11,475,205,601,576,783,872/3,894,973,326.88 - Step 6: Final answer
x = 2,946,157,685.44
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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.