Finding the Fourth Proportional to 352,261,046.40, 528,391,569.60 and 244,765,622.40
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Solution
The fourth proportional to 352,261,046.40, 528,391,569.60 and 244,765,622.40 is: 367,148,433.60
Step by Step Solution
- Step 1: Write the proportion equation
352,261,046.40 : 528,391,569.60 = 244,765,622.40 : x - Step 2: Convert to fraction form
352,261,046.40/528,391,569.60 = 244,765,622.40/x - Step 3: Cross multiply
352,261,046.40x = 528,391,569.60 × 244,765,622.40 - Step 4: Simplify right side
352,261,046.40x = 129,332,091,404,056,928 - Step 5: Solve for x
x = 129,332,091,404,056,928/352,261,046.40 - Step 6: Final answer
x = 367,148,433.60
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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.