Finding the Fourth Proportional to 1,362,504,286.94, 1,880,256,672.39 and 735,972,721.07
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Solution
The fourth proportional to 1,362,504,286.94, 1,880,256,672.39 and 735,972,721.07 is: 1,015,642,763.66
Step by Step Solution
- Step 1: Write the proportion equation
1,362,504,286.94 : 1,880,256,672.39 = 735,972,721.07 : x - Step 2: Convert to fraction form
1,362,504,286.94/1,880,256,672.39 = 735,972,721.07/x - Step 3: Cross multiply
1,362,504,286.94x = 1,880,256,672.39 × 735,972,721.07 - Step 4: Simplify right side
1,362,504,286.94x = 1,383,817,619,479,490,816 - Step 5: Solve for x
x = 1,383,817,619,479,490,816/1,362,504,286.94 - Step 6: Final answer
x = 1,015,642,763.66
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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.