Finding the Fourth Proportional to 522,372,662.98, 783,903,757.11 and 276,901,679.12
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Solution
The fourth proportional to 522,372,662.98, 783,903,757.11 and 276,901,679.12 is: 415,535,272.03
Step by Step Solution
- Step 1: Write the proportion equation
522,372,662.98 : 783,903,757.11 = 276,901,679.12 : x - Step 2: Convert to fraction form
522,372,662.98/783,903,757.11 = 276,901,679.12/x - Step 3: Cross multiply
522,372,662.98x = 783,903,757.11 × 276,901,679.12 - Step 4: Simplify right side
522,372,662.98x = 217,064,266,612,160,640 - Step 5: Solve for x
x = 217,064,266,612,160,640/522,372,662.98 - Step 6: Final answer
x = 415,535,272.03
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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.