Finding the Fourth Proportional to 776,491,745.10, 1,164,901,220.42 and 251,819,936.15
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Solution
The fourth proportional to 776,491,745.10, 1,164,901,220.42 and 251,819,936.15 is: 377,782,961.38
Step by Step Solution
- Step 1: Write the proportion equation
776,491,745.10 : 1,164,901,220.42 = 251,819,936.15 : x - Step 2: Convert to fraction form
776,491,745.10/1,164,901,220.42 = 251,819,936.15/x - Step 3: Cross multiply
776,491,745.10x = 1,164,901,220.42 × 251,819,936.15 - Step 4: Simplify right side
776,491,745.10x = 293,345,350,948,874,624 - Step 5: Solve for x
x = 293,345,350,948,874,624/776,491,745.10 - Step 6: Final answer
x = 377,782,961.38
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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.