Finding the Fourth Proportional to 664,161,745.40, 994,451,027.70 and 664,161,745.40
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Solution
The fourth proportional to 664,161,745.40, 994,451,027.70 and 664,161,745.40 is: 994,451,027.70
Step by Step Solution
- Step 1: Write the proportion equation
664,161,745.40 : 994,451,027.70 = 664,161,745.40 : x - Step 2: Convert to fraction form
664,161,745.40/994,451,027.70 = 664,161,745.40/x - Step 3: Cross multiply
664,161,745.40x = 994,451,027.70 × 664,161,745.40 - Step 4: Simplify right side
664,161,745.40x = 660,476,330,272,055,808 - Step 5: Solve for x
x = 660,476,330,272,055,808/664,161,745.40 - Step 6: Final answer
x = 994,451,027.70
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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.