Finding the Fourth Proportional to 549,821,992.92, 758,770,138.62 and 335,253,224.99
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Solution
The fourth proportional to 549,821,992.92, 758,770,138.62 and 335,253,224.99 is: 462,659,077.43
Step by Step Solution
- Step 1: Write the proportion equation
549,821,992.92 : 758,770,138.62 = 335,253,224.99 : x - Step 2: Convert to fraction form
549,821,992.92/758,770,138.62 = 335,253,224.99/x - Step 3: Cross multiply
549,821,992.92x = 758,770,138.62 × 335,253,224.99 - Step 4: Simplify right side
549,821,992.92x = 254,380,135,994,670,496 - Step 5: Solve for x
x = 254,380,135,994,670,496/549,821,992.92 - Step 6: Final answer
x = 462,659,077.43
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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.