Finding the Fourth Proportional to 326,932,728,785.84, 490,649,396,409.30 and 147,984,384,211.38
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Solution
The fourth proportional to 326,932,728,785.84, 490,649,396,409.30 and 147,984,384,211.38 is: 222,089,874,760.99
Step by Step Solution
- Step 1: Write the proportion equation
326,932,728,785.84 : 490,649,396,409.30 = 147,984,384,211.38 : x - Step 2: Convert to fraction form
326,932,728,785.84/490,649,396,409.30 = 147,984,384,211.38/x - Step 3: Cross multiply
326,932,728,785.84x = 490,649,396,409.30 × 147,984,384,211.38 - Step 4: Simplify right side
326,932,728,785.84x = 72,608,448,791,315,539,296,256 - Step 5: Solve for x
x = 72,608,448,791,315,539,296,256/326,932,728,785.84 - Step 6: Final answer
x = 222,089,874,760.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.