Finding the Fourth Proportional to 898,557,470.36, 1,347,981,037.32 and 276,772,413.12
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Solution
The fourth proportional to 898,557,470.36, 1,347,981,037.32 and 276,772,413.12 is: 415,203,230.56
Step by Step Solution
- Step 1: Write the proportion equation
898,557,470.36 : 1,347,981,037.32 = 276,772,413.12 : x - Step 2: Convert to fraction form
898,557,470.36/1,347,981,037.32 = 276,772,413.12/x - Step 3: Cross multiply
898,557,470.36x = 1,347,981,037.32 × 276,772,413.12 - Step 4: Simplify right side
898,557,470.36x = 373,083,964,539,057,152 - Step 5: Solve for x
x = 373,083,964,539,057,152/898,557,470.36 - Step 6: Final answer
x = 415,203,230.56
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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.