Finding the Fourth Proportional to 7,184,081,531.20, 10,780,153,375.20 and 3,042,820,321.60
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Solution
The fourth proportional to 7,184,081,531.20, 10,780,153,375.20 and 3,042,820,321.60 is: 4,565,937,847.11
Step by Step Solution
- Step 1: Write the proportion equation
7,184,081,531.20 : 10,780,153,375.20 = 3,042,820,321.60 : x - Step 2: Convert to fraction form
7,184,081,531.20/10,780,153,375.20 = 3,042,820,321.60/x - Step 3: Cross multiply
7,184,081,531.20x = 10,780,153,375.20 × 3,042,820,321.60 - Step 4: Simplify right side
7,184,081,531.20x = 32,802,069,760,023,392,256 - Step 5: Solve for x
x = 32,802,069,760,023,392,256/7,184,081,531.20 - Step 6: Final answer
x = 4,565,937,847.11
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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.