Finding the Fourth Proportional to 397,548,368.30, 596,322,552.45 and 155,211,272.30
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Solution
The fourth proportional to 397,548,368.30, 596,322,552.45 and 155,211,272.30 is: 232,816,908.45
Step by Step Solution
- Step 1: Write the proportion equation
397,548,368.30 : 596,322,552.45 = 155,211,272.30 : x - Step 2: Convert to fraction form
397,548,368.30/596,322,552.45 = 155,211,272.30/x - Step 3: Cross multiply
397,548,368.30x = 596,322,552.45 × 155,211,272.30 - Step 4: Simplify right side
397,548,368.30x = 92,555,982,066,948,000 - Step 5: Solve for x
x = 92,555,982,066,948,000/397,548,368.30 - Step 6: Final answer
x = 232,816,908.45
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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.