Finding the Fourth Proportional to 394,622,881.08, 544,542,679.98 and 235,821,490.62
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Solution
The fourth proportional to 394,622,881.08, 544,542,679.98 and 235,821,490.62 is: 325,411,608.54
Step by Step Solution
- Step 1: Write the proportion equation
394,622,881.08 : 544,542,679.98 = 235,821,490.62 : x - Step 2: Convert to fraction form
394,622,881.08/544,542,679.98 = 235,821,490.62/x - Step 3: Cross multiply
394,622,881.08x = 544,542,679.98 × 235,821,490.62 - Step 4: Simplify right side
394,622,881.08x = 128,414,866,499,093,232 - Step 5: Solve for x
x = 128,414,866,499,093,232/394,622,881.08 - Step 6: Final answer
x = 325,411,608.54
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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.