Finding the Fourth Proportional to 741,017,439.78, 1,111,416,824.82 and 216,245,640.09
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Solution
The fourth proportional to 741,017,439.78, 1,111,416,824.82 and 216,245,640.09 is: 324,336,553.75
Step by Step Solution
- Step 1: Write the proportion equation
741,017,439.78 : 1,111,416,824.82 = 216,245,640.09 : x - Step 2: Convert to fraction form
741,017,439.78/1,111,416,824.82 = 216,245,640.09/x - Step 3: Cross multiply
741,017,439.78x = 1,111,416,824.82 × 216,245,640.09 - Step 4: Simplify right side
741,017,439.78x = 240,339,042,684,384,000 - Step 5: Solve for x
x = 240,339,042,684,384,000/741,017,439.78 - Step 6: Final answer
x = 324,336,553.75
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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.