Finding the Fourth Proportional to 4,729,064,234.70, 7,093,596,352.05 and 2,987,638,365.90
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Solution
The fourth proportional to 4,729,064,234.70, 7,093,596,352.05 and 2,987,638,365.90 is: 4,481,457,548.85
Step by Step Solution
- Step 1: Write the proportion equation
4,729,064,234.70 : 7,093,596,352.05 = 2,987,638,365.90 : x - Step 2: Convert to fraction form
4,729,064,234.70/7,093,596,352.05 = 2,987,638,365.90/x - Step 3: Cross multiply
4,729,064,234.70x = 7,093,596,352.05 × 2,987,638,365.90 - Step 4: Simplify right side
4,729,064,234.70x = 21,193,100,613,592,862,720 - Step 5: Solve for x
x = 21,193,100,613,592,862,720/4,729,064,234.70 - Step 6: Final answer
x = 4,481,457,548.85
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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.