Finding the Fourth Proportional to 354,719,991.96, 489,517,697.30 and 195,946,825.75
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Solution
The fourth proportional to 354,719,991.96, 489,517,697.30 and 195,946,825.75 is: 270,408,889.00
Step by Step Solution
- Step 1: Write the proportion equation
354,719,991.96 : 489,517,697.30 = 195,946,825.75 : x - Step 2: Convert to fraction form
354,719,991.96/489,517,697.30 = 195,946,825.75/x - Step 3: Cross multiply
354,719,991.96x = 489,517,697.30 × 195,946,825.75 - Step 4: Simplify right side
354,719,991.96x = 95,919,438,932,180,816 - Step 5: Solve for x
x = 95,919,438,932,180,816/354,719,991.96 - Step 6: Final answer
x = 270,408,889.00
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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.