Home / 406,010,860.88-560,279,984.94-220,367,890.76

Finding the Fourth Proportional to 406,010,860.88, 560,279,984.94 and 220,367,890.76

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Solution

The fourth proportional to 406,010,860.88, 560,279,984.94 and 220,367,890.76 is: 304,099,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,860.88 : 560,279,984.94 = 220,367,890.76 : x
  2. Step 2: Convert to fraction form
    406,010,860.88/560,279,984.94 = 220,367,890.76/x
  3. Step 3: Cross multiply
    406,010,860.88x = 560,279,984.94 × 220,367,890.76
  4. Step 4: Simplify right side
    406,010,860.88x = 123,467,718,516,272,368
  5. Step 5: Solve for x
    x = 123,467,718,516,272,368/406,010,860.88
  6. Step 6: Final answer
    x = 304,099,546.13

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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.