Finding the Fourth Proportional to 351,531,246.40, 526,923,621.60 and 169,659,937.60
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Solution
The fourth proportional to 351,531,246.40, 526,923,621.60 and 169,659,937.60 is: 254,309,765.28
Step by Step Solution
- Step 1: Write the proportion equation
351,531,246.40 : 526,923,621.60 = 169,659,937.60 : x - Step 2: Convert to fraction form
351,531,246.40/526,923,621.60 = 169,659,937.60/x - Step 3: Cross multiply
351,531,246.40x = 526,923,621.60 × 169,659,937.60 - Step 4: Simplify right side
351,531,246.40x = 89,397,828,760,622,016 - Step 5: Solve for x
x = 89,397,828,760,622,016/351,531,246.40 - Step 6: Final answer
x = 254,309,765.28
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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.