Finding the Fourth Proportional to 324,969,434.93, 448,457,820.21 and 185,743,186.08
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Solution
The fourth proportional to 324,969,434.93, 448,457,820.21 and 185,743,186.08 is: 256,325,596.79
Step by Step Solution
- Step 1: Write the proportion equation
324,969,434.93 : 448,457,820.21 = 185,743,186.08 : x - Step 2: Convert to fraction form
324,969,434.93/448,457,820.21 = 185,743,186.08/x - Step 3: Cross multiply
324,969,434.93x = 448,457,820.21 × 185,743,186.08 - Step 4: Simplify right side
324,969,434.93x = 83,297,984,348,297,216 - Step 5: Solve for x
x = 83,297,984,348,297,216/324,969,434.93 - Step 6: Final answer
x = 256,325,596.79
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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.