Finding the Fourth Proportional to 414,080,768.80, 620,593,648.80 and 220,085,120.80
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Solution
The fourth proportional to 414,080,768.80, 620,593,648.80 and 220,085,120.80 is: 329,847,311.09
Step by Step Solution
- Step 1: Write the proportion equation
414,080,768.80 : 620,593,648.80 = 220,085,120.80 : x - Step 2: Convert to fraction form
414,080,768.80/620,593,648.80 = 220,085,120.80/x - Step 3: Cross multiply
414,080,768.80x = 620,593,648.80 × 220,085,120.80 - Step 4: Simplify right side
414,080,768.80x = 136,583,428,163,860,768 - Step 5: Solve for x
x = 136,583,428,163,860,768/414,080,768.80 - Step 6: Final answer
x = 329,847,311.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.