Finding the Fourth Proportional to 306,544,742.48, 423,585,103.91 and 218,285,512.22
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Solution
The fourth proportional to 306,544,742.48, 423,585,103.91 and 218,285,512.22 is: 301,628,044.99
Step by Step Solution
- Step 1: Write the proportion equation
306,544,742.48 : 423,585,103.91 = 218,285,512.22 : x - Step 2: Convert to fraction form
306,544,742.48/423,585,103.91 = 218,285,512.22/x - Step 3: Cross multiply
306,544,742.48x = 423,585,103.91 × 218,285,512.22 - Step 4: Simplify right side
306,544,742.48x = 92,462,491,375,756,288 - Step 5: Solve for x
x = 92,462,491,375,756,288/306,544,742.48 - Step 6: Final answer
x = 301,628,044.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.