Finding the Fourth Proportional to 2,403,998,194.12, 3,320,629,500.26 and 1,987,990,903.24
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Solution
The fourth proportional to 2,403,998,194.12, 3,320,629,500.26 and 1,987,990,903.24 is: 2,746,000,914.52
Step by Step Solution
- Step 1: Write the proportion equation
2,403,998,194.12 : 3,320,629,500.26 = 1,987,990,903.24 : x - Step 2: Convert to fraction form
2,403,998,194.12/3,320,629,500.26 = 1,987,990,903.24/x - Step 3: Cross multiply
2,403,998,194.12x = 3,320,629,500.26 × 1,987,990,903.24 - Step 4: Simplify right side
2,403,998,194.12x = 6,601,381,239,547,268,096 - Step 5: Solve for x
x = 6,601,381,239,547,268,096/2,403,998,194.12 - Step 6: Final answer
x = 2,746,000,914.52
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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.