Finding the Fourth Proportional to 1,998,354,670.77, 2,757,620,191.99 and 1,093,935,645.04
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Solution
The fourth proportional to 1,998,354,670.77, 2,757,620,191.99 and 1,093,935,645.04 is: 1,509,571,382.70
Step by Step Solution
- Step 1: Write the proportion equation
1,998,354,670.77 : 2,757,620,191.99 = 1,093,935,645.04 : x - Step 2: Convert to fraction form
1,998,354,670.77/2,757,620,191.99 = 1,093,935,645.04/x - Step 3: Cross multiply
1,998,354,670.77x = 2,757,620,191.99 × 1,093,935,645.04 - Step 4: Simplify right side
1,998,354,670.77x = 3,016,659,023,490,280,448 - Step 5: Solve for x
x = 3,016,659,023,490,280,448/1,998,354,670.77 - Step 6: Final answer
x = 1,509,571,382.70
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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.