Finding the Fourth Proportional to 324,969,432.80, 448,457,817.28 and 185,743,183.96
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Solution
The fourth proportional to 324,969,432.80, 448,457,817.28 and 185,743,183.96 is: 256,325,593.86
Step by Step Solution
- Step 1: Write the proportion equation
324,969,432.80 : 448,457,817.28 = 185,743,183.96 : x - Step 2: Convert to fraction form
324,969,432.80/448,457,817.28 = 185,743,183.96/x - Step 3: Cross multiply
324,969,432.80x = 448,457,817.28 × 185,743,183.96 - Step 4: Simplify right side
324,969,432.80x = 83,297,982,850,168,096 - Step 5: Solve for x
x = 83,297,982,850,168,096/324,969,432.80 - Step 6: Final answer
x = 256,325,593.86
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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.