Finding the Fourth Proportional to 324,969,432.30, 448,457,816.58 and 185,743,183.46
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Solution
The fourth proportional to 324,969,432.30, 448,457,816.58 and 185,743,183.46 is: 256,325,593.17
Step by Step Solution
- Step 1: Write the proportion equation
324,969,432.30 : 448,457,816.58 = 185,743,183.46 : x - Step 2: Convert to fraction form
324,969,432.30/448,457,816.58 = 185,743,183.46/x - Step 3: Cross multiply
324,969,432.30x = 448,457,816.58 × 185,743,183.46 - Step 4: Simplify right side
324,969,432.30x = 83,297,982,497,312,048 - Step 5: Solve for x
x = 83,297,982,497,312,048/324,969,432.30 - Step 6: Final answer
x = 256,325,593.17
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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.