Finding the Fourth Proportional to 538,332,520.10, 807,642,324.50 and 193,289,136.44
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Solution
The fourth proportional to 538,332,520.10, 807,642,324.50 and 193,289,136.44 is: 289,985,244.48
Step by Step Solution
- Step 1: Write the proportion equation
538,332,520.10 : 807,642,324.50 = 193,289,136.44 : x - Step 2: Convert to fraction form
538,332,520.10/807,642,324.50 = 193,289,136.44/x - Step 3: Cross multiply
538,332,520.10x = 807,642,324.50 × 193,289,136.44 - Step 4: Simplify right side
538,332,520.10x = 156,108,487,449,994,592 - Step 5: Solve for x
x = 156,108,487,449,994,592/538,332,520.10 - Step 6: Final answer
x = 289,985,244.48
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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.