Finding the Fourth Proportional to 5,568,717,660.21, 8,356,756,482.42 and 2,621,840,028.22
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Solution
The fourth proportional to 5,568,717,660.21, 8,356,756,482.42 and 2,621,840,028.22 is: 3,934,492,640.60
Step by Step Solution
- Step 1: Write the proportion equation
5,568,717,660.21 : 8,356,756,482.42 = 2,621,840,028.22 : x - Step 2: Convert to fraction form
5,568,717,660.21/8,356,756,482.42 = 2,621,840,028.22/x - Step 3: Cross multiply
5,568,717,660.21x = 8,356,756,482.42 × 2,621,840,028.22 - Step 4: Simplify right side
5,568,717,660.21x = 21,910,078,651,695,718,400 - Step 5: Solve for x
x = 21,910,078,651,695,718,400/5,568,717,660.21 - Step 6: Final answer
x = 3,934,492,640.60
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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.