Finding the Fourth Proportional to 269,136,480, 371,408,491.64 and 145,377,157.80
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Solution
The fourth proportional to 269,136,480, 371,408,491.64 and 145,377,157.80 is: 200,620,558.38
Step by Step Solution
- Step 1: Write the proportion equation
269,136,480 : 371,408,491.64 = 145,377,157.80 : x - Step 2: Convert to fraction form
269,136,480/371,408,491.64 = 145,377,157.80/x - Step 3: Cross multiply
269,136,480x = 371,408,491.64 × 145,377,157.80 - Step 4: Simplify right side
269,136,480x = 53,994,310,897,408,264 - Step 5: Solve for x
x = 53,994,310,897,408,264/269,136,480 - Step 6: Final answer
x = 200,620,558.38
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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.