Finding the Fourth Proportional to 412,683,554.96, 569,503,286.52 and 227,040,584.84
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Solution
The fourth proportional to 412,683,554.96, 569,503,286.52 and 227,040,584.84 is: 313,315,996.45
Step by Step Solution
- Step 1: Write the proportion equation
412,683,554.96 : 569,503,286.52 = 227,040,584.84 : x - Step 2: Convert to fraction form
412,683,554.96/569,503,286.52 = 227,040,584.84/x - Step 3: Cross multiply
412,683,554.96x = 569,503,286.52 × 227,040,584.84 - Step 4: Simplify right side
412,683,554.96x = 129,300,359,239,802,880 - Step 5: Solve for x
x = 129,300,359,239,802,880/412,683,554.96 - Step 6: Final answer
x = 313,315,996.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.