Finding the Fourth Proportional to 330,067,218.80, 495,100,828.20 and 299,456,217.20
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Solution
The fourth proportional to 330,067,218.80, 495,100,828.20 and 299,456,217.20 is: 449,184,325.80
Step by Step Solution
- Step 1: Write the proportion equation
330,067,218.80 : 495,100,828.20 = 299,456,217.20 : x - Step 2: Convert to fraction form
330,067,218.80/495,100,828.20 = 299,456,217.20/x - Step 3: Cross multiply
330,067,218.80x = 495,100,828.20 × 299,456,217.20 - Step 4: Simplify right side
330,067,218.80x = 148,261,021,145,359,072 - Step 5: Solve for x
x = 148,261,021,145,359,072/330,067,218.80 - Step 6: Final answer
x = 449,184,325.80
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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.