Finding the Fourth Proportional to 296,418,699.41, 408,923,669.48 and 178,906,465.49
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Solution
The fourth proportional to 296,418,699.41, 408,923,669.48 and 178,906,465.49 is: 246,809,963.43
Step by Step Solution
- Step 1: Write the proportion equation
296,418,699.41 : 408,923,669.48 = 178,906,465.49 : x - Step 2: Convert to fraction form
296,418,699.41/408,923,669.48 = 178,906,465.49/x - Step 3: Cross multiply
296,418,699.41x = 408,923,669.48 × 178,906,465.49 - Step 4: Simplify right side
296,418,699.41x = 73,159,088,361,995,568 - Step 5: Solve for x
x = 73,159,088,361,995,568/296,418,699.41 - Step 6: Final answer
x = 246,809,963.43
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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.