Finding the Fourth Proportional to 5,105,979,879.23, 7,661,296,958.57 and 2,620,586,156.26
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Solution
The fourth proportional to 5,105,979,879.23, 7,661,296,958.57 and 2,620,586,156.26 is: 3,932,073,612.41
Step by Step Solution
- Step 1: Write the proportion equation
5,105,979,879.23 : 7,661,296,958.57 = 2,620,586,156.26 : x - Step 2: Convert to fraction form
5,105,979,879.23/7,661,296,958.57 = 2,620,586,156.26/x - Step 3: Cross multiply
5,105,979,879.23x = 7,661,296,958.57 × 2,620,586,156.26 - Step 4: Simplify right side
5,105,979,879.23x = 20,077,088,748,616,089,600 - Step 5: Solve for x
x = 20,077,088,748,616,089,600/5,105,979,879.23 - Step 6: Final answer
x = 3,932,073,612.41
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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.