Finding the Fourth Proportional to 1,327,335,351,028.70, 1,831,703,449,682.20 and 741,393,534,386.40
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Solution
The fourth proportional to 1,327,335,351,028.70, 1,831,703,449,682.20 and 741,393,534,386.40 is: 1,023,112,277,884.54
Step by Step Solution
- Step 1: Write the proportion equation
1,327,335,351,028.70 : 1,831,703,449,682.20 = 741,393,534,386.40 : x - Step 2: Convert to fraction form
1,327,335,351,028.70/1,831,703,449,682.20 = 741,393,534,386.40/x - Step 3: Cross multiply
1,327,335,351,028.70x = 1,831,703,449,682.20 × 741,393,534,386.40 - Step 4: Simplify right side
1,327,335,351,028.70x = 1,358,013,094,507,647,590,203,392 - Step 5: Solve for x
x = 1,358,013,094,507,647,590,203,392/1,327,335,351,028.70 - Step 6: Final answer
x = 1,023,112,277,884.54
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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.