Finding the Fourth Proportional to 324,969,438.93, 448,457,825.73 and 185,743,190.09
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Solution
The fourth proportional to 324,969,438.93, 448,457,825.73 and 185,743,190.09 is: 256,325,602.32
Step by Step Solution
- Step 1: Write the proportion equation
324,969,438.93 : 448,457,825.73 = 185,743,190.09 : x - Step 2: Convert to fraction form
324,969,438.93/448,457,825.73 = 185,743,190.09/x - Step 3: Cross multiply
324,969,438.93x = 448,457,825.73 × 185,743,190.09 - Step 4: Simplify right side
324,969,438.93x = 83,297,987,169,673,200 - Step 5: Solve for x
x = 83,297,987,169,673,200/324,969,438.93 - Step 6: Final answer
x = 256,325,602.32
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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.