Finding the Fourth Proportional to 5,568,717,658.21, 8,356,756,479.42 and 2,621,840,026.22
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Solution
The fourth proportional to 5,568,717,658.21, 8,356,756,479.42 and 2,621,840,026.22 is: 3,934,492,637.61
Step by Step Solution
- Step 1: Write the proportion equation
5,568,717,658.21 : 8,356,756,479.42 = 2,621,840,026.22 : x - Step 2: Convert to fraction form
5,568,717,658.21/8,356,756,479.42 = 2,621,840,026.22/x - Step 3: Cross multiply
5,568,717,658.21x = 8,356,756,479.42 × 2,621,840,026.22 - Step 4: Simplify right side
5,568,717,658.21x = 21,910,078,627,116,687,360 - Step 5: Solve for x
x = 21,910,078,627,116,687,360/5,568,717,658.21 - Step 6: Final answer
x = 3,934,492,637.61
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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.