Finding the Fourth Proportional to 486,250,104.79, 671,025,361.70 and 263,231,778.97
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Solution
The fourth proportional to 486,250,104.79, 671,025,361.70 and 263,231,778.97 is: 363,259,972.51
Step by Step Solution
- Step 1: Write the proportion equation
486,250,104.79 : 671,025,361.70 = 263,231,778.97 : x - Step 2: Convert to fraction form
486,250,104.79/671,025,361.70 = 263,231,778.97/x - Step 3: Cross multiply
486,250,104.79x = 671,025,361.70 × 263,231,778.97 - Step 4: Simplify right side
486,250,104.79x = 176,635,199,696,921,472 - Step 5: Solve for x
x = 176,635,199,696,921,472/486,250,104.79 - Step 6: Final answer
x = 363,259,972.51
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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.