Finding the Fourth Proportional to 547,810,297.39, 821,727,408.97 and 329,643,138.07
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Solution
The fourth proportional to 547,810,297.39, 821,727,408.97 and 329,643,138.07 is: 494,471,905.73
Step by Step Solution
- Step 1: Write the proportion equation
547,810,297.39 : 821,727,408.97 = 329,643,138.07 : x - Step 2: Convert to fraction form
547,810,297.39/821,727,408.97 = 329,643,138.07/x - Step 3: Cross multiply
547,810,297.39x = 821,727,408.97 × 329,643,138.07 - Step 4: Simplify right side
547,810,297.39x = 270,876,801,729,770,848 - Step 5: Solve for x
x = 270,876,801,729,770,848/547,810,297.39 - Step 6: Final answer
x = 494,471,905.73
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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.