Finding the Fourth Proportional to 898,557,469.36, 1,347,981,035.82 and 276,772,412.12
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Solution
The fourth proportional to 898,557,469.36, 1,347,981,035.82 and 276,772,412.12 is: 415,203,229.06
Step by Step Solution
- Step 1: Write the proportion equation
898,557,469.36 : 1,347,981,035.82 = 276,772,412.12 : x - Step 2: Convert to fraction form
898,557,469.36/1,347,981,035.82 = 276,772,412.12/x - Step 3: Cross multiply
898,557,469.36x = 1,347,981,035.82 × 276,772,412.12 - Step 4: Simplify right side
898,557,469.36x = 373,083,962,775,917,504 - Step 5: Solve for x
x = 373,083,962,775,917,504/898,557,469.36 - Step 6: Final answer
x = 415,203,229.06
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1.5x scale
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.