Finding the Fourth Proportional to 5,414,923,645.56, 7,472,450,445.67 and 3,125,978,605.44
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Solution
The fourth proportional to 5,414,923,645.56, 7,472,450,445.67 and 3,125,978,605.44 is: 4,313,767,238.90
Step by Step Solution
- Step 1: Write the proportion equation
5,414,923,645.56 : 7,472,450,445.67 = 3,125,978,605.44 : x - Step 2: Convert to fraction form
5,414,923,645.56/7,472,450,445.67 = 3,125,978,605.44/x - Step 3: Cross multiply
5,414,923,645.56x = 7,472,450,445.67 × 3,125,978,605.44 - Step 4: Simplify right side
5,414,923,645.56x = 23,358,720,223,375,011,840 - Step 5: Solve for x
x = 23,358,720,223,375,011,840/5,414,923,645.56 - Step 6: Final answer
x = 4,313,767,238.90
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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.