Finding the Fourth Proportional to 3,840,125,362.29, 5,760,190,268.71 and 1,079,754,378.17
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Solution
The fourth proportional to 3,840,125,362.29, 5,760,190,268.71 and 1,079,754,378.17 is: 1,619,632,192.94
Step by Step Solution
- Step 1: Write the proportion equation
3,840,125,362.29 : 5,760,190,268.71 = 1,079,754,378.17 : x - Step 2: Convert to fraction form
3,840,125,362.29/5,760,190,268.71 = 1,079,754,378.17/x - Step 3: Cross multiply
3,840,125,362.29x = 5,760,190,268.71 × 1,079,754,378.17 - Step 4: Simplify right side
3,840,125,362.29x = 6,219,590,661,700,350,976 - Step 5: Solve for x
x = 6,219,590,661,700,350,976/3,840,125,362.29 - Step 6: Final answer
x = 1,619,632,192.94
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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.