Finding the Fourth Proportional to 7,286,976,344.80, 10,930,464,517.20 and 3,613,656,152.80
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Solution
The fourth proportional to 7,286,976,344.80, 10,930,464,517.20 and 3,613,656,152.80 is: 5,420,484,229.20
Step by Step Solution
- Step 1: Write the proportion equation
7,286,976,344.80 : 10,930,464,517.20 = 3,613,656,152.80 : x - Step 2: Convert to fraction form
7,286,976,344.80/10,930,464,517.20 = 3,613,656,152.80/x - Step 3: Cross multiply
7,286,976,344.80x = 10,930,464,517.20 × 3,613,656,152.80 - Step 4: Simplify right side
7,286,976,344.80x = 39,498,940,355,541,868,544 - Step 5: Solve for x
x = 39,498,940,355,541,868,544/7,286,976,344.80 - Step 6: Final answer
x = 5,420,484,229.20
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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.