Finding the Fourth Proportional to 682,579,516.01, 941,691,705.39 and 396,422,327.61
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Solution
The fourth proportional to 682,579,516.01, 941,691,705.39 and 396,422,327.61 is: 546,907,149.99
Step by Step Solution
- Step 1: Write the proportion equation
682,579,516.01 : 941,691,705.39 = 396,422,327.61 : x - Step 2: Convert to fraction form
682,579,516.01/941,691,705.39 = 396,422,327.61/x - Step 3: Cross multiply
682,579,516.01x = 941,691,705.39 × 396,422,327.61 - Step 4: Simplify right side
682,579,516.01x = 373,307,617,741,734,208 - Step 5: Solve for x
x = 373,307,617,741,734,208/682,579,516.01 - Step 6: Final answer
x = 546,907,149.99
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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.