Finding the Fourth Proportional to 395,449,619.70, 593,174,429.55 and 266,119,187.70
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Solution
The fourth proportional to 395,449,619.70, 593,174,429.55 and 266,119,187.70 is: 399,178,781.55
Step by Step Solution
- Step 1: Write the proportion equation
395,449,619.70 : 593,174,429.55 = 266,119,187.70 : x - Step 2: Convert to fraction form
395,449,619.70/593,174,429.55 = 266,119,187.70/x - Step 3: Cross multiply
395,449,619.70x = 593,174,429.55 × 266,119,187.70 - Step 4: Simplify right side
395,449,619.70x = 157,855,097,356,256,864 - Step 5: Solve for x
x = 157,855,097,356,256,864/395,449,619.70 - Step 6: Final answer
x = 399,178,781.55
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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.