Finding the Fourth Proportional to 471,632,747.70, 707,449,121.55 and 471,632,747.70
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Solution
The fourth proportional to 471,632,747.70, 707,449,121.55 and 471,632,747.70 is: 707,449,121.55
Step by Step Solution
- Step 1: Write the proportion equation
471,632,747.70 : 707,449,121.55 = 471,632,747.70 : x - Step 2: Convert to fraction form
471,632,747.70/707,449,121.55 = 471,632,747.70/x - Step 3: Cross multiply
471,632,747.70x = 707,449,121.55 × 471,632,747.70 - Step 4: Simplify right side
471,632,747.70x = 333,656,173,054,577,728 - Step 5: Solve for x
x = 333,656,173,054,577,728/471,632,747.70 - Step 6: Final answer
x = 707,449,121.55
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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.