Finding the Fourth Proportional to 416,427,273.97, 620,917,944.01 and 404,986,262.65
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Solution
The fourth proportional to 416,427,273.97, 620,917,944.01 and 404,986,262.65 is: 603,858,712.62
Step by Step Solution
- Step 1: Write the proportion equation
416,427,273.97 : 620,917,944.01 = 404,986,262.65 : x - Step 2: Convert to fraction form
416,427,273.97/620,917,944.01 = 404,986,262.65/x - Step 3: Cross multiply
416,427,273.97x = 620,917,944.01 × 404,986,262.65 - Step 4: Simplify right side
416,427,273.97x = 251,463,237,557,944,320 - Step 5: Solve for x
x = 251,463,237,557,944,320/416,427,273.97 - Step 6: Final answer
x = 603,858,712.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.