Finding the Fourth Proportional to 6,378,755,074.80, 9,568,132,612.20 and 1,720,620,034.80
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Solution
The fourth proportional to 6,378,755,074.80, 9,568,132,612.20 and 1,720,620,034.80 is: 2,580,930,052.20
Step by Step Solution
- Step 1: Write the proportion equation
6,378,755,074.80 : 9,568,132,612.20 = 1,720,620,034.80 : x - Step 2: Convert to fraction form
6,378,755,074.80/9,568,132,612.20 = 1,720,620,034.80/x - Step 3: Cross multiply
6,378,755,074.80x = 9,568,132,612.20 × 1,720,620,034.80 - Step 4: Simplify right side
6,378,755,074.80x = 16,463,120,668,174,579,712 - Step 5: Solve for x
x = 16,463,120,668,174,579,712/6,378,755,074.80 - Step 6: Final answer
x = 2,580,930,052.20
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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.