Finding the Fourth Proportional to 419,906,136.40, 629,859,204.60 and 177,569,040.40
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Solution
The fourth proportional to 419,906,136.40, 629,859,204.60 and 177,569,040.40 is: 266,353,560.60
Step by Step Solution
- Step 1: Write the proportion equation
419,906,136.40 : 629,859,204.60 = 177,569,040.40 : x - Step 2: Convert to fraction form
419,906,136.40/629,859,204.60 = 177,569,040.40/x - Step 3: Cross multiply
419,906,136.40x = 629,859,204.60 × 177,569,040.40 - Step 4: Simplify right side
419,906,136.40x = 111,843,494,547,929,280 - Step 5: Solve for x
x = 111,843,494,547,929,280/419,906,136.40 - Step 6: Final answer
x = 266,353,560.60
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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.