Finding the Fourth Proportional to 338,385,163.91, 467,124,536.26 and 213,121,452.94
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Solution
The fourth proportional to 338,385,163.91, 467,124,536.26 and 213,121,452.94 is: 294,203,973.72
Step by Step Solution
- Step 1: Write the proportion equation
338,385,163.91 : 467,124,536.26 = 213,121,452.94 : x - Step 2: Convert to fraction form
338,385,163.91/467,124,536.26 = 213,121,452.94/x - Step 3: Cross multiply
338,385,163.91x = 467,124,536.26 × 213,121,452.94 - Step 4: Simplify right side
338,385,163.91x = 99,554,259,871,654,912 - Step 5: Solve for x
x = 99,554,259,871,654,912/338,385,163.91 - Step 6: Final answer
x = 294,203,973.72
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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.