Finding the Fourth Proportional to 281,321,698.92, 388,010,458.36 and 246,453,854.92
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Solution
The fourth proportional to 281,321,698.92, 388,010,458.36 and 246,453,854.92 is: 339,919,293.75
Step by Step Solution
- Step 1: Write the proportion equation
281,321,698.92 : 388,010,458.36 = 246,453,854.92 : x - Step 2: Convert to fraction form
281,321,698.92/388,010,458.36 = 246,453,854.92/x - Step 3: Cross multiply
281,321,698.92x = 388,010,458.36 × 246,453,854.92 - Step 4: Simplify right side
281,321,698.92x = 95,626,673,212,098,144 - Step 5: Solve for x
x = 95,626,673,212,098,144/281,321,698.92 - Step 6: Final answer
x = 339,919,293.75
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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.