Finding the Fourth Proportional to 2,257,421,527.58, 3,386,568,358.13 and 858,297,014.26
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Solution
The fourth proportional to 2,257,421,527.58, 3,386,568,358.13 and 858,297,014.26 is: 1,287,611,318.87
Step by Step Solution
- Step 1: Write the proportion equation
2,257,421,527.58 : 3,386,568,358.13 = 858,297,014.26 : x - Step 2: Convert to fraction form
2,257,421,527.58/3,386,568,358.13 = 858,297,014.26/x - Step 3: Cross multiply
2,257,421,527.58x = 3,386,568,358.13 × 858,297,014.26 - Step 4: Simplify right side
2,257,421,527.58x = 2,906,681,510,369,736,192 - Step 5: Solve for x
x = 2,906,681,510,369,736,192/2,257,421,527.58 - Step 6: Final answer
x = 1,287,611,318.87
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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.