Finding the Fourth Proportional to 264,383,079,099.40, 396,652,425,569.70 and 85,305,706,468.96
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Solution
The fourth proportional to 264,383,079,099.40, 396,652,425,569.70 and 85,305,706,468.96 is: 127,983,664,843.88
Step by Step Solution
- Step 1: Write the proportion equation
264,383,079,099.40 : 396,652,425,569.70 = 85,305,706,468.96 : x - Step 2: Convert to fraction form
264,383,079,099.40/396,652,425,569.70 = 85,305,706,468.96/x - Step 3: Cross multiply
264,383,079,099.40x = 396,652,425,569.70 × 85,305,706,468.96 - Step 4: Simplify right side
264,383,079,099.40x = 33,836,715,385,849,437,487,104 - Step 5: Solve for x
x = 33,836,715,385,849,437,487,104/264,383,079,099.40 - Step 6: Final answer
x = 127,983,664,843.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.