Finding the Fourth Proportional to 394,584,107.70, 591,876,161.55 and 164,476,715.70
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Solution
The fourth proportional to 394,584,107.70, 591,876,161.55 and 164,476,715.70 is: 246,715,073.55
Step by Step Solution
- Step 1: Write the proportion equation
394,584,107.70 : 591,876,161.55 = 164,476,715.70 : x - Step 2: Convert to fraction form
394,584,107.70/591,876,161.55 = 164,476,715.70/x - Step 3: Cross multiply
394,584,107.70x = 591,876,161.55 × 164,476,715.70 - Step 4: Simplify right side
394,584,107.70x = 97,349,847,152,866,608 - Step 5: Solve for x
x = 97,349,847,152,866,608/394,584,107.70 - Step 6: Final answer
x = 246,715,073.55
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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.