Finding the Fourth Proportional to 324,969,432.70, 448,457,817.11 and 185,743,183.82
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Solution
The fourth proportional to 324,969,432.70, 448,457,817.11 and 185,743,183.82 is: 256,325,593.66
Step by Step Solution
- Step 1: Write the proportion equation
324,969,432.70 : 448,457,817.11 = 185,743,183.82 : x - Step 2: Convert to fraction form
324,969,432.70/448,457,817.11 = 185,743,183.82/x - Step 3: Cross multiply
324,969,432.70x = 448,457,817.11 × 185,743,183.82 - Step 4: Simplify right side
324,969,432.70x = 83,297,982,758,118,048 - Step 5: Solve for x
x = 83,297,982,758,118,048/324,969,432.70 - Step 6: Final answer
x = 256,325,593.66
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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.