Finding the Fourth Proportional to 418,845,625.96, 577,999,912.05 and 230,691,441.29
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Solution
The fourth proportional to 418,845,625.96, 577,999,912.05 and 230,691,441.29 is: 318,350,305.01
Step by Step Solution
- Step 1: Write the proportion equation
418,845,625.96 : 577,999,912.05 = 230,691,441.29 : x - Step 2: Convert to fraction form
418,845,625.96/577,999,912.05 = 230,691,441.29/x - Step 3: Cross multiply
418,845,625.96x = 577,999,912.05 × 230,691,441.29 - Step 4: Simplify right side
418,845,625.96x = 133,339,632,776,307,728 - Step 5: Solve for x
x = 133,339,632,776,307,728/418,845,625.96 - Step 6: Final answer
x = 318,350,305.01
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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.