Finding the Fourth Proportional to 304,128,000.20, 456,192,000.30 and 239,630,745.80
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Solution
The fourth proportional to 304,128,000.20, 456,192,000.30 and 239,630,745.80 is: 359,446,118.70
Step by Step Solution
- Step 1: Write the proportion equation
304,128,000.20 : 456,192,000.30 = 239,630,745.80 : x - Step 2: Convert to fraction form
304,128,000.20/456,192,000.30 = 239,630,745.80/x - Step 3: Cross multiply
304,128,000.20x = 456,192,000.30 × 239,630,745.80 - Step 4: Simplify right side
304,128,000.20x = 109,317,629,259,882,832 - Step 5: Solve for x
x = 109,317,629,259,882,832/304,128,000.20 - Step 6: Final answer
x = 359,446,118.70
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1.5x scale
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.