Finding the Fourth Proportional to 2,861,568,052.60, 4,292,352,078.90 and 923,067,239.80
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Solution
The fourth proportional to 2,861,568,052.60, 4,292,352,078.90 and 923,067,239.80 is: 1,384,600,859.70
Step by Step Solution
- Step 1: Write the proportion equation
2,861,568,052.60 : 4,292,352,078.90 = 923,067,239.80 : x - Step 2: Convert to fraction form
2,861,568,052.60/4,292,352,078.90 = 923,067,239.80/x - Step 3: Cross multiply
2,861,568,052.60x = 4,292,352,078.90 × 923,067,239.80 - Step 4: Simplify right side
2,861,568,052.60x = 3,962,129,585,720,014,848 - Step 5: Solve for x
x = 3,962,129,585,720,014,848/2,861,568,052.60 - Step 6: Final answer
x = 1,384,600,859.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.