Finding the Fourth Proportional to 325,574,773.26, 449,293,083.99 and 178,906,505.10
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Solution
The fourth proportional to 325,574,773.26, 449,293,083.99 and 178,906,505.10 is: 246,890,920.38
Step by Step Solution
- Step 1: Write the proportion equation
325,574,773.26 : 449,293,083.99 = 178,906,505.10 : x - Step 2: Convert to fraction form
325,574,773.26/449,293,083.99 = 178,906,505.10/x - Step 3: Cross multiply
325,574,773.26x = 449,293,083.99 × 178,906,505.10 - Step 4: Simplify right side
325,574,773.26x = 80,381,455,422,251,664 - Step 5: Solve for x
x = 80,381,455,422,251,664/325,574,773.26 - Step 6: Final answer
x = 246,890,920.38
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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.