Finding the Fourth Proportional to 3,161,100,768, 4,362,319,059.84 and 1,770,378,720
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Solution
The fourth proportional to 3,161,100,768, 4,362,319,059.84 and 1,770,378,720 is: 2,443,122,633.60
Step by Step Solution
- Step 1: Write the proportion equation
3,161,100,768 : 4,362,319,059.84 = 1,770,378,720 : x - Step 2: Convert to fraction form
3,161,100,768/4,362,319,059.84 = 1,770,378,720/x - Step 3: Cross multiply
3,161,100,768x = 4,362,319,059.84 × 1,770,378,720 - Step 4: Simplify right side
3,161,100,768x = 7,722,956,833,391,142,912 - Step 5: Solve for x
x = 7,722,956,833,391,142,912/3,161,100,768 - Step 6: Final answer
x = 2,443,122,633.60
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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.