Finding the Fourth Proportional to 440,178,635.40, 660,246,957.90 and 149,017,201.80
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Solution
The fourth proportional to 440,178,635.40, 660,246,957.90 and 149,017,201.80 is: 223,518,695.03
Step by Step Solution
- Step 1: Write the proportion equation
440,178,635.40 : 660,246,957.90 = 149,017,201.80 : x - Step 2: Convert to fraction form
440,178,635.40/660,246,957.90 = 149,017,201.80/x - Step 3: Cross multiply
440,178,635.40x = 660,246,957.90 × 149,017,201.80 - Step 4: Simplify right side
440,178,635.40x = 98,388,154,163,220,416 - Step 5: Solve for x
x = 98,388,154,163,220,416/440,178,635.40 - Step 6: Final answer
x = 223,518,695.03
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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.