Finding the Fourth Proportional to 6,378,763,284.80, 9,568,144,927.20 and 1,720,628,244.80
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Solution
The fourth proportional to 6,378,763,284.80, 9,568,144,927.20 and 1,720,628,244.80 is: 2,580,942,367.20
Step by Step Solution
- Step 1: Write the proportion equation
6,378,763,284.80 : 9,568,144,927.20 = 1,720,628,244.80 : x - Step 2: Convert to fraction form
6,378,763,284.80/9,568,144,927.20 = 1,720,628,244.80/x - Step 3: Cross multiply
6,378,763,284.80x = 9,568,144,927.20 × 1,720,628,244.80 - Step 4: Simplify right side
6,378,763,284.80x = 16,463,220,412,080,160,768 - Step 5: Solve for x
x = 16,463,220,412,080,160,768/6,378,763,284.80 - Step 6: Final answer
x = 2,580,942,367.20
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Double scale
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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.