Finding the Fourth Proportional to 317,952,414.40, 476,928,621.60 and 294,994,163.20
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Solution
The fourth proportional to 317,952,414.40, 476,928,621.60 and 294,994,163.20 is: 442,491,244.80
Step by Step Solution
- Step 1: Write the proportion equation
317,952,414.40 : 476,928,621.60 = 294,994,163.20 : x - Step 2: Convert to fraction form
317,952,414.40/476,928,621.60 = 294,994,163.20/x - Step 3: Cross multiply
317,952,414.40x = 476,928,621.60 × 294,994,163.20 - Step 4: Simplify right side
317,952,414.40x = 140,691,159,635,021,440 - Step 5: Solve for x
x = 140,691,159,635,021,440/317,952,414.40 - Step 6: Final answer
x = 442,491,244.80
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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.