Finding the Fourth Proportional to 409,203,057.80, 613,804,586.70 and 245,944,382.60
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Solution
The fourth proportional to 409,203,057.80, 613,804,586.70 and 245,944,382.60 is: 368,916,573.90
Step by Step Solution
- Step 1: Write the proportion equation
409,203,057.80 : 613,804,586.70 = 245,944,382.60 : x - Step 2: Convert to fraction form
409,203,057.80/613,804,586.70 = 245,944,382.60/x - Step 3: Cross multiply
409,203,057.80x = 613,804,586.70 × 245,944,382.60 - Step 4: Simplify right side
409,203,057.80x = 150,961,790,112,979,680 - Step 5: Solve for x
x = 150,961,790,112,979,680/409,203,057.80 - Step 6: Final answer
x = 368,916,573.90
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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.