Finding the Fourth Proportional to 327,477,709.28, 451,958,866.98 and 186,383,234.84
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Solution
The fourth proportional to 327,477,709.28, 451,958,866.98 and 186,383,234.84 is: 257,231,418.37
Step by Step Solution
- Step 1: Write the proportion equation
327,477,709.28 : 451,958,866.98 = 186,383,234.84 : x - Step 2: Convert to fraction form
327,477,709.28/451,958,866.98 = 186,383,234.84/x - Step 3: Cross multiply
327,477,709.28x = 451,958,866.98 × 186,383,234.84 - Step 4: Simplify right side
327,477,709.28x = 84,237,555,642,353,664 - Step 5: Solve for x
x = 84,237,555,642,353,664/327,477,709.28 - Step 6: Final answer
x = 257,231,418.37
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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.