Finding the Fourth Proportional to 2,831,527,220.67, 4,247,461,079.22 and 866,397,324.56
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Solution
The fourth proportional to 2,831,527,220.67, 4,247,461,079.22 and 866,397,324.56 is: 1,299,648,079.78
Step by Step Solution
- Step 1: Write the proportion equation
2,831,527,220.67 : 4,247,461,079.22 = 866,397,324.56 : x - Step 2: Convert to fraction form
2,831,527,220.67/4,247,461,079.22 = 866,397,324.56/x - Step 3: Cross multiply
2,831,527,220.67x = 4,247,461,079.22 × 866,397,324.56 - Step 4: Simplify right side
2,831,527,220.67x = 3,679,988,915,187,700,736 - Step 5: Solve for x
x = 3,679,988,915,187,700,736/2,831,527,220.67 - Step 6: Final answer
x = 1,299,648,079.78
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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.