Finding the Fourth Proportional to 330,264,353.60, 495,270,559.20 and 100,156,961.60
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Solution
The fourth proportional to 330,264,353.60, 495,270,559.20 and 100,156,961.60 is: 150,197,239.99
Step by Step Solution
- Step 1: Write the proportion equation
330,264,353.60 : 495,270,559.20 = 100,156,961.60 : x - Step 2: Convert to fraction form
330,264,353.60/495,270,559.20 = 100,156,961.60/x - Step 3: Cross multiply
330,264,353.60x = 495,270,559.20 × 100,156,961.60 - Step 4: Simplify right side
330,264,353.60x = 49,604,794,379,404,920 - Step 5: Solve for x
x = 49,604,794,379,404,920/330,264,353.60 - Step 6: Final answer
x = 150,197,239.99
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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.