Finding the Fourth Proportional to 276,546,508,809.08, 381,751,690,646.08 and 172,311,469,629.67
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Solution
The fourth proportional to 276,546,508,809.08, 381,751,690,646.08 and 172,311,469,629.67 is: 237,863,045,648.68
Step by Step Solution
- Step 1: Write the proportion equation
276,546,508,809.08 : 381,751,690,646.08 = 172,311,469,629.67 : x - Step 2: Convert to fraction form
276,546,508,809.08/381,751,690,646.08 = 172,311,469,629.67/x - Step 3: Cross multiply
276,546,508,809.08x = 381,751,690,646.08 × 172,311,469,629.67 - Step 4: Simplify right side
276,546,508,809.08x = 65,780,194,848,837,199,724,544 - Step 5: Solve for x
x = 65,780,194,848,837,199,724,544/276,546,508,809.08 - Step 6: Final answer
x = 237,863,045,648.68
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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.