Home / 1,917,451,010.47-2,647,909,890.51-1,812,989,472.83

Finding the Fourth Proportional to 1,917,451,010.47, 2,647,909,890.51 and 1,812,989,472.83

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Solution

The fourth proportional to 1,917,451,010.47, 2,647,909,890.51 and 1,812,989,472.83 is: 2,503,653,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,451,010.47 : 2,647,909,890.51 = 1,812,989,472.83 : x
  2. Step 2: Convert to fraction form
    1,917,451,010.47/2,647,909,890.51 = 1,812,989,472.83/x
  3. Step 3: Cross multiply
    1,917,451,010.47x = 2,647,909,890.51 × 1,812,989,472.83
  4. Step 4: Simplify right side
    1,917,451,010.47x = 4,800,632,756,511,981,568
  5. Step 5: Solve for x
    x = 4,800,632,756,511,981,568/1,917,451,010.47
  6. Step 6: Final answer
    x = 2,503,653,407.72

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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.