Home / 406,010,858.88-560,279,982.18-220,367,888.76

Finding the Fourth Proportional to 406,010,858.88, 560,279,982.18 and 220,367,888.76

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Solution

The fourth proportional to 406,010,858.88, 560,279,982.18 and 220,367,888.76 is: 304,099,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,858.88 : 560,279,982.18 = 220,367,888.76 : x
  2. Step 2: Convert to fraction form
    406,010,858.88/560,279,982.18 = 220,367,888.76/x
  3. Step 3: Cross multiply
    406,010,858.88x = 560,279,982.18 × 220,367,888.76
  4. Step 4: Simplify right side
    406,010,858.88x = 123,467,716,787,497,008
  5. Step 5: Solve for x
    x = 123,467,716,787,497,008/406,010,858.88
  6. Step 6: Final answer
    x = 304,099,543.37

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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.