Finding the Fourth Proportional to 324,969,424.69, 448,457,806.07 and 185,743,175.81
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Solution
The fourth proportional to 324,969,424.69, 448,457,806.07 and 185,743,175.81 is: 256,325,582.62
Step by Step Solution
- Step 1: Write the proportion equation
324,969,424.69 : 448,457,806.07 = 185,743,175.81 : x - Step 2: Convert to fraction form
324,969,424.69/448,457,806.07 = 185,743,175.81/x - Step 3: Cross multiply
324,969,424.69x = 448,457,806.07 × 185,743,175.81 - Step 4: Simplify right side
324,969,424.69x = 83,297,977,117,500,384 - Step 5: Solve for x
x = 83,297,977,117,500,384/324,969,424.69 - Step 6: Final answer
x = 256,325,582.62
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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.