Finding the Fourth Proportional to 1,503,355,093.94, 2,074,677,208.10 and 868,263,787.73
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Solution
The fourth proportional to 1,503,355,093.94, 2,074,677,208.10 and 868,263,787.73 is: 1,198,231,275.02
Step by Step Solution
- Step 1: Write the proportion equation
1,503,355,093.94 : 2,074,677,208.10 = 868,263,787.73 : x - Step 2: Convert to fraction form
1,503,355,093.94/2,074,677,208.10 = 868,263,787.73/x - Step 3: Cross multiply
1,503,355,093.94x = 2,074,677,208.10 × 868,263,787.73 - Step 4: Simplify right side
1,503,355,093.94x = 1,801,367,091,022,007,296 - Step 5: Solve for x
x = 1,801,367,091,022,007,296/1,503,355,093.94 - Step 6: Final answer
x = 1,198,231,275.02
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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.