Finding the Fourth Proportional to 352,372,891.53, 528,555,971.37 and 214,236,636.62
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Solution
The fourth proportional to 352,372,891.53, 528,555,971.37 and 214,236,636.62 is: 321,352,908.50
Step by Step Solution
- Step 1: Write the proportion equation
352,372,891.53 : 528,555,971.37 = 214,236,636.62 : x - Step 2: Convert to fraction form
352,372,891.53/528,555,971.37 = 214,236,636.62/x - Step 3: Cross multiply
352,372,891.53x = 528,555,971.37 × 214,236,636.62 - Step 4: Simplify right side
352,372,891.53x = 113,236,053,569,273,792 - Step 5: Solve for x
x = 113,236,053,569,273,792/352,372,891.53 - Step 6: Final answer
x = 321,352,908.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.