Home / 3,919,124,402.73-5,879,537,856.94-1,431,981,334.65

Finding the Fourth Proportional to 3,919,124,402.73, 5,879,537,856.94 and 1,431,981,334.65

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Solution

The fourth proportional to 3,919,124,402.73, 5,879,537,856.94 and 1,431,981,334.65 is: 2,148,283,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,124,402.73 : 5,879,537,856.94 = 1,431,981,334.65 : x
  2. Step 2: Convert to fraction form
    3,919,124,402.73/5,879,537,856.94 = 1,431,981,334.65/x
  3. Step 3: Cross multiply
    3,919,124,402.73x = 5,879,537,856.94 × 1,431,981,334.65
  4. Step 4: Simplify right side
    3,919,124,402.73x = 8,419,388,467,498,983,424
  5. Step 5: Solve for x
    x = 8,419,388,467,498,983,424/3,919,124,402.73
  6. Step 6: Final answer
    x = 2,148,283,035.27

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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.