Finding the Fourth Proportional to 413,893,414.87, 620,609,208.03 and 137,394,471.13
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Solution
The fourth proportional to 413,893,414.87, 620,609,208.03 and 137,394,471.13 is: 206,015,053.28
Step by Step Solution
- Step 1: Write the proportion equation
413,893,414.87 : 620,609,208.03 = 137,394,471.13 : x - Step 2: Convert to fraction form
413,893,414.87/620,609,208.03 = 137,394,471.13/x - Step 3: Cross multiply
413,893,414.87x = 620,609,208.03 × 137,394,471.13 - Step 4: Simplify right side
413,893,414.87x = 85,268,273,914,138,464 - Step 5: Solve for x
x = 85,268,273,914,138,464/413,893,414.87 - Step 6: Final answer
x = 206,015,053.28
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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.