Home / 1,981,765,499.73-2,732,297,644.52-1,623,212,387.65

Finding the Fourth Proportional to 1,981,765,499.73, 2,732,297,644.52 and 1,623,212,387.65

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Solution

The fourth proportional to 1,981,765,499.73, 2,732,297,644.52 and 1,623,212,387.65 is: 2,237,953,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,765,499.73 : 2,732,297,644.52 = 1,623,212,387.65 : x
  2. Step 2: Convert to fraction form
    1,981,765,499.73/2,732,297,644.52 = 1,623,212,387.65/x
  3. Step 3: Cross multiply
    1,981,765,499.73x = 2,732,297,644.52 × 1,623,212,387.65
  4. Step 4: Simplify right side
    1,981,765,499.73x = 4,435,099,383,331,780,608
  5. Step 5: Solve for x
    x = 4,435,099,383,331,780,608/1,981,765,499.73
  6. Step 6: Final answer
    x = 2,237,953,675.11

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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.