Finding the Fourth Proportional to 672,624,723.84, 1,008,850,305.60 and 212,609,394.24
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Solution
The fourth proportional to 672,624,723.84, 1,008,850,305.60 and 212,609,394.24 is: 318,886,661.09
Step by Step Solution
- Step 1: Write the proportion equation
672,624,723.84 : 1,008,850,305.60 = 212,609,394.24 : x - Step 2: Convert to fraction form
672,624,723.84/1,008,850,305.60 = 212,609,394.24/x - Step 3: Cross multiply
672,624,723.84x = 1,008,850,305.60 × 212,609,394.24 - Step 4: Simplify right side
672,624,723.84x = 214,491,052,352,454,880 - Step 5: Solve for x
x = 214,491,052,352,454,880/672,624,723.84 - Step 6: Final answer
x = 318,886,661.09
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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.