Home / 406,010,870.88-560,279,998.74-220,367,900.76

Finding the Fourth Proportional to 406,010,870.88, 560,279,998.74 and 220,367,900.76

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Solution

The fourth proportional to 406,010,870.88, 560,279,998.74 and 220,367,900.76 is: 304,099,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010,870.88 : 560,279,998.74 = 220,367,900.76 : x
  2. Step 2: Convert to fraction form
    406,010,870.88/560,279,998.74 = 220,367,900.76/x
  3. Step 3: Cross multiply
    406,010,870.88x = 560,279,998.74 × 220,367,900.76
  4. Step 4: Simplify right side
    406,010,870.88x = 123,467,727,160,149,248
  5. Step 5: Solve for x
    x = 123,467,727,160,149,248/406,010,870.88
  6. Step 6: Final answer
    x = 304,099,559.93

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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.