Finding the Fourth Proportional to 624,136,115.88, 936,338,344.25 and 181,486,487.12
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Solution
The fourth proportional to 624,136,115.88, 936,338,344.25 and 181,486,487.12 is: 272,268,744.79
Step by Step Solution
- Step 1: Write the proportion equation
624,136,115.88 : 936,338,344.25 = 181,486,487.12 : x - Step 2: Convert to fraction form
624,136,115.88/936,338,344.25 = 181,486,487.12/x - Step 3: Cross multiply
624,136,115.88x = 936,338,344.25 × 181,486,487.12 - Step 4: Simplify right side
624,136,115.88x = 169,932,756,848,100,640 - Step 5: Solve for x
x = 169,932,756,848,100,640/624,136,115.88 - Step 6: Final answer
x = 272,268,744.79
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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.