Finding the Fourth Proportional to 2,831,527,221.98, 4,247,461,081.19 and 866,397,325.87
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Solution
The fourth proportional to 2,831,527,221.98, 4,247,461,081.19 and 866,397,325.87 is: 1,299,648,081.75
Step by Step Solution
- Step 1: Write the proportion equation
2,831,527,221.98 : 4,247,461,081.19 = 866,397,325.87 : x - Step 2: Convert to fraction form
2,831,527,221.98/4,247,461,081.19 = 866,397,325.87/x - Step 3: Cross multiply
2,831,527,221.98x = 4,247,461,081.19 × 866,397,325.87 - Step 4: Simplify right side
2,831,527,221.98x = 3,679,988,922,479,915,008 - Step 5: Solve for x
x = 3,679,988,922,479,915,008/2,831,527,221.98 - Step 6: Final answer
x = 1,299,648,081.75
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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.