Finding the Fourth Proportional to 400,993,286.10, 601,405,948.35 and 196,667,999.70
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Solution
The fourth proportional to 400,993,286.10, 601,405,948.35 and 196,667,999.70 is: 294,960,810.99
Step by Step Solution
- Step 1: Write the proportion equation
400,993,286.10 : 601,405,948.35 = 196,667,999.70 : x - Step 2: Convert to fraction form
400,993,286.10/601,405,948.35 = 196,667,999.70/x - Step 3: Cross multiply
400,993,286.10x = 601,405,948.35 × 196,667,999.70 - Step 4: Simplify right side
400,993,286.10x = 118,277,304,869,676,016 - Step 5: Solve for x
x = 118,277,304,869,676,016/400,993,286.10 - Step 6: Final answer
x = 294,960,810.99
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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.