Finding the Fourth Proportional to 2,700,898,161.21, 3,727,629,333.04 and 1,556,245,037.68
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Solution
The fourth proportional to 2,700,898,161.21, 3,727,629,333.04 and 1,556,245,037.68 is: 2,147,842,793.62
Step by Step Solution
- Step 1: Write the proportion equation
2,700,898,161.21 : 3,727,629,333.04 = 1,556,245,037.68 : x - Step 2: Convert to fraction form
2,700,898,161.21/3,727,629,333.04 = 1,556,245,037.68/x - Step 3: Cross multiply
2,700,898,161.21x = 3,727,629,333.04 × 1,556,245,037.68 - Step 4: Simplify right side
2,700,898,161.21x = 5,801,104,651,853,907,968 - Step 5: Solve for x
x = 5,801,104,651,853,907,968/2,700,898,161.21 - Step 6: Final answer
x = 2,147,842,793.62
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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.