Finding the Fourth Proportional to 743,322,698.59, 1,114,745,344.12 and 245,221,245.13
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Solution
The fourth proportional to 743,322,698.59, 1,114,745,344.12 and 245,221,245.13 is: 367,753,119.62
Step by Step Solution
- Step 1: Write the proportion equation
743,322,698.59 : 1,114,745,344.12 = 245,221,245.13 : x - Step 2: Convert to fraction form
743,322,698.59/1,114,745,344.12 = 245,221,245.13/x - Step 3: Cross multiply
743,322,698.59x = 1,114,745,344.12 × 245,221,245.13 - Step 4: Simplify right side
743,322,698.59x = 273,359,241,287,976,704 - Step 5: Solve for x
x = 273,359,241,287,976,704/743,322,698.59 - Step 6: Final answer
x = 367,753,119.62
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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.