Finding the Fourth Proportional to 404,929,682.55, 558,800,179.65 and 219,286,449.99
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Solution
The fourth proportional to 404,929,682.55, 558,800,179.65 and 219,286,449.99 is: 302,613,794.27
Step by Step Solution
- Step 1: Write the proportion equation
404,929,682.55 : 558,800,179.65 = 219,286,449.99 : x - Step 2: Convert to fraction form
404,929,682.55/558,800,179.65 = 219,286,449.99/x - Step 3: Cross multiply
404,929,682.55x = 558,800,179.65 × 219,286,449.99 - Step 4: Simplify right side
404,929,682.55x = 122,537,307,649,222,736 - Step 5: Solve for x
x = 122,537,307,649,222,736/404,929,682.55 - Step 6: Final answer
x = 302,613,794.27
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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.