Finding the Fourth Proportional to 1,992,992,994.68, 2,750,277,047.38 and 1,100,900,520.99
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Solution
The fourth proportional to 1,992,992,994.68, 2,750,277,047.38 and 1,100,900,520.99 is: 1,519,213,284.95
Step by Step Solution
- Step 1: Write the proportion equation
1,992,992,994.68 : 2,750,277,047.38 = 1,100,900,520.99 : x - Step 2: Convert to fraction form
1,992,992,994.68/2,750,277,047.38 = 1,100,900,520.99/x - Step 3: Cross multiply
1,992,992,994.68x = 2,750,277,047.38 × 1,100,900,520.99 - Step 4: Simplify right side
1,992,992,994.68x = 3,027,781,434,324,728,832 - Step 5: Solve for x
x = 3,027,781,434,324,728,832/1,992,992,994.68 - Step 6: Final answer
x = 1,519,213,284.95
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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.