Finding the Fourth Proportional to 377,499,774.07, 520,965,850.84 and 210,236,034.70
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Solution
The fourth proportional to 377,499,774.07, 520,965,850.84 and 210,236,034.70 is: 290,134,729.12
Step by Step Solution
- Step 1: Write the proportion equation
377,499,774.07 : 520,965,850.84 = 210,236,034.70 : x - Step 2: Convert to fraction form
377,499,774.07/520,965,850.84 = 210,236,034.70/x - Step 3: Cross multiply
377,499,774.07x = 520,965,850.84 × 210,236,034.70 - Step 4: Simplify right side
377,499,774.07x = 109,525,794,694,838,864 - Step 5: Solve for x
x = 109,525,794,694,838,864/377,499,774.07 - Step 6: Final answer
x = 290,134,729.12
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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.