Finding the Fourth Proportional to 364,697,305.32, 503,236,171.62 and 290,545,933.80
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Solution
The fourth proportional to 364,697,305.32, 503,236,171.62 and 290,545,933.80 is: 400,916,654.09
Step by Step Solution
- Step 1: Write the proportion equation
364,697,305.32 : 503,236,171.62 = 290,545,933.80 : x - Step 2: Convert to fraction form
364,697,305.32/503,236,171.62 = 290,545,933.80/x - Step 3: Cross multiply
364,697,305.32x = 503,236,171.62 × 290,545,933.80 - Step 4: Simplify right side
364,697,305.32x = 146,213,223,405,269,952 - Step 5: Solve for x
x = 146,213,223,405,269,952/364,697,305.32 - Step 6: Final answer
x = 400,916,654.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.