Finding the Fourth Proportional to 586,939,926.22, 809,966,201.60 and 322,616,268.61
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Solution
The fourth proportional to 586,939,926.22, 809,966,201.60 and 322,616,268.61 is: 445,204,461.28
Step by Step Solution
- Step 1: Write the proportion equation
586,939,926.22 : 809,966,201.60 = 322,616,268.61 : x - Step 2: Convert to fraction form
586,939,926.22/809,966,201.60 = 322,616,268.61/x - Step 3: Cross multiply
586,939,926.22x = 809,966,201.60 × 322,616,268.61 - Step 4: Simplify right side
586,939,926.22x = 261,308,273,654,744,128 - Step 5: Solve for x
x = 261,308,273,654,744,128/586,939,926.22 - Step 6: Final answer
x = 445,204,461.28
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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.