Finding the Fourth Proportional to 296,279,450.69, 409,007,420.21 and 197,324,874.05
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Solution
The fourth proportional to 296,279,450.69, 409,007,420.21 and 197,324,874.05 is: 272,402,751.83
Step by Step Solution
- Step 1: Write the proportion equation
296,279,450.69 : 409,007,420.21 = 197,324,874.05 : x - Step 2: Convert to fraction form
296,279,450.69/409,007,420.21 = 197,324,874.05/x - Step 3: Cross multiply
296,279,450.69x = 409,007,420.21 × 197,324,874.05 - Step 4: Simplify right side
296,279,450.69x = 80,707,337,677,467,056 - Step 5: Solve for x
x = 80,707,337,677,467,056/296,279,450.69 - Step 6: Final answer
x = 272,402,751.83
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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.