Home / 1,479,328,902.73-2,218,939,536.61-444,162,879.55

Finding the Fourth Proportional to 1,479,328,902.73, 2,218,939,536.61 and 444,162,879.55

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Solution

The fourth proportional to 1,479,328,902.73, 2,218,939,536.61 and 444,162,879.55 is: 666,228,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,328,902.73 : 2,218,939,536.61 = 444,162,879.55 : x
  2. Step 2: Convert to fraction form
    1,479,328,902.73/2,218,939,536.61 = 444,162,879.55/x
  3. Step 3: Cross multiply
    1,479,328,902.73x = 2,218,939,536.61 × 444,162,879.55
  4. Step 4: Simplify right side
    1,479,328,902.73x = 985,570,574,128,040,320
  5. Step 5: Solve for x
    x = 985,570,574,128,040,320/1,479,328,902.73
  6. Step 6: Final answer
    x = 666,228,160.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.