Finding the Fourth Proportional to 2,239,498,132.40, 3,360,926,814.60 and 1,148,419,578.80
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Solution
The fourth proportional to 2,239,498,132.40, 3,360,926,814.60 and 1,148,419,578.80 is: 1,723,490,678.99
Step by Step Solution
- Step 1: Write the proportion equation
2,239,498,132.40 : 3,360,926,814.60 = 1,148,419,578.80 : x - Step 2: Convert to fraction form
2,239,498,132.40/3,360,926,814.60 = 1,148,419,578.80/x - Step 3: Cross multiply
2,239,498,132.40x = 3,360,926,814.60 × 1,148,419,578.80 - Step 4: Simplify right side
2,239,498,132.40x = 3,859,754,156,800,557,568 - Step 5: Solve for x
x = 3,859,754,156,800,557,568/2,239,498,132.40 - Step 6: Final answer
x = 1,723,490,678.99
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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.