Finding the Fourth Proportional to 395,449,634.20, 593,174,451.30 and 266,119,202.20
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Solution
The fourth proportional to 395,449,634.20, 593,174,451.30 and 266,119,202.20 is: 399,178,803.30
Step by Step Solution
- Step 1: Write the proportion equation
395,449,634.20 : 593,174,451.30 = 266,119,202.20 : x - Step 2: Convert to fraction form
395,449,634.20/593,174,451.30 = 266,119,202.20/x - Step 3: Cross multiply
395,449,634.20x = 593,174,451.30 × 266,119,202.20 - Step 4: Simplify right side
395,449,634.20x = 157,855,111,745,378,720 - Step 5: Solve for x
x = 157,855,111,745,378,720/395,449,634.20 - Step 6: Final answer
x = 399,178,803.30
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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.