Finding the Fourth Proportional to 326,286,408.24, 450,284,524.56 and 177,617,116.80
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Solution
The fourth proportional to 326,286,408.24, 450,284,524.56 and 177,617,116.80 is: 245,116,673.49
Step by Step Solution
- Step 1: Write the proportion equation
326,286,408.24 : 450,284,524.56 = 177,617,116.80 : x - Step 2: Convert to fraction form
326,286,408.24/450,284,524.56 = 177,617,116.80/x - Step 3: Cross multiply
326,286,408.24x = 450,284,524.56 × 177,617,116.80 - Step 4: Simplify right side
326,286,408.24x = 79,978,238,992,006,000 - Step 5: Solve for x
x = 79,978,238,992,006,000/326,286,408.24 - Step 6: Final answer
x = 245,116,673.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.