Finding the Fourth Proportional to 324,969,446.44, 448,457,836.08 and 185,743,197.60
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Solution
The fourth proportional to 324,969,446.44, 448,457,836.08 and 185,743,197.60 is: 256,325,612.68
Step by Step Solution
- Step 1: Write the proportion equation
324,969,446.44 : 448,457,836.08 = 185,743,197.60 : x - Step 2: Convert to fraction form
324,969,446.44/448,457,836.08 = 185,743,197.60/x - Step 3: Cross multiply
324,969,446.44x = 448,457,836.08 × 185,743,197.60 - Step 4: Simplify right side
324,969,446.44x = 83,297,992,462,275,840 - Step 5: Solve for x
x = 83,297,992,462,275,840/324,969,446.44 - Step 6: Final answer
x = 256,325,612.68
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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.