Finding the Fourth Proportional to 692,906,164.38, 1,039,372,532.60 and 226,569,344.09
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Solution
The fourth proportional to 692,906,164.38, 1,039,372,532.60 and 226,569,344.09 is: 339,858,360.45
Step by Step Solution
- Step 1: Write the proportion equation
692,906,164.38 : 1,039,372,532.60 = 226,569,344.09 : x - Step 2: Convert to fraction form
692,906,164.38/1,039,372,532.60 = 226,569,344.09/x - Step 3: Cross multiply
692,906,164.38x = 1,039,372,532.60 × 226,569,344.09 - Step 4: Simplify right side
692,906,164.38x = 235,489,952,970,014,464 - Step 5: Solve for x
x = 235,489,952,970,014,464/692,906,164.38 - Step 6: Final answer
x = 339,858,360.45
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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.