Home / 406,010,861.87-560,279,986.34-220,367,891.75

Finding the Fourth Proportional to 406,010,861.87, 560,279,986.34 and 220,367,891.75

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Solution

The fourth proportional to 406,010,861.87, 560,279,986.34 and 220,367,891.75 is: 304,099,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,861.87 : 560,279,986.34 = 220,367,891.75 : x
  2. Step 2: Convert to fraction form
    406,010,861.87/560,279,986.34 = 220,367,891.75/x
  3. Step 3: Cross multiply
    406,010,861.87x = 560,279,986.34 × 220,367,891.75
  4. Step 4: Simplify right side
    406,010,861.87x = 123,467,719,375,561,376
  5. Step 5: Solve for x
    x = 123,467,719,375,561,376/406,010,861.87
  6. Step 6: Final answer
    x = 304,099,547.51

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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.