Finding the Fourth Proportional to 1,362,504,047.86, 1,880,256,342.66 and 735,972,481.99
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Solution
The fourth proportional to 1,362,504,047.86, 1,880,256,342.66 and 735,972,481.99 is: 1,015,642,433.84
Step by Step Solution
- Step 1: Write the proportion equation
1,362,504,047.86 : 1,880,256,342.66 = 735,972,481.99 : x - Step 2: Convert to fraction form
1,362,504,047.86/1,880,256,342.66 = 735,972,481.99/x - Step 3: Cross multiply
1,362,504,047.86x = 1,880,256,342.66 × 735,972,481.99 - Step 4: Simplify right side
1,362,504,047.86x = 1,383,816,927,275,518,976 - Step 5: Solve for x
x = 1,383,816,927,275,518,976/1,362,504,047.86 - Step 6: Final answer
x = 1,015,642,433.84
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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.