Finding the Fourth Proportional to 1,310,755,949.22, 1,809,274,277.70 and 1,043,322,340.73
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Solution
The fourth proportional to 1,310,755,949.22, 1,809,274,277.70 and 1,043,322,340.73 is: 1,440,127,947.20
Step by Step Solution
- Step 1: Write the proportion equation
1,310,755,949.22 : 1,809,274,277.70 = 1,043,322,340.73 : x - Step 2: Convert to fraction form
1,310,755,949.22/1,809,274,277.70 = 1,043,322,340.73/x - Step 3: Cross multiply
1,310,755,949.22x = 1,809,274,277.70 × 1,043,322,340.73 - Step 4: Simplify right side
1,310,755,949.22x = 1,887,656,274,427,327,488 - Step 5: Solve for x
x = 1,887,656,274,427,327,488/1,310,755,949.22 - Step 6: Final answer
x = 1,440,127,947.20
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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.