Finding the Fourth Proportional to 394,393,697.40, 544,092,220.26 and 237,671,745.96
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Solution
The fourth proportional to 394,393,697.40, 544,092,220.26 and 237,671,745.96 is: 327,883,910.94
Step by Step Solution
- Step 1: Write the proportion equation
394,393,697.40 : 544,092,220.26 = 237,671,745.96 : x - Step 2: Convert to fraction form
394,393,697.40/544,092,220.26 = 237,671,745.96/x - Step 3: Cross multiply
394,393,697.40x = 544,092,220.26 × 237,671,745.96 - Step 4: Simplify right side
394,393,697.40x = 129,315,347,952,447,088 - Step 5: Solve for x
x = 129,315,347,952,447,088/394,393,697.40 - Step 6: Final answer
x = 327,883,910.94
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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.