Home / 1,981,765,498.73-2,732,297,643.14-1,623,212,386.65

Finding the Fourth Proportional to 1,981,765,498.73, 2,732,297,643.14 and 1,623,212,386.65

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Solution

The fourth proportional to 1,981,765,498.73, 2,732,297,643.14 and 1,623,212,386.65 is: 2,237,953,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,765,498.73 : 2,732,297,643.14 = 1,623,212,386.65 : x
  2. Step 2: Convert to fraction form
    1,981,765,498.73/2,732,297,643.14 = 1,623,212,386.65/x
  3. Step 3: Cross multiply
    1,981,765,498.73x = 2,732,297,643.14 × 1,623,212,386.65
  4. Step 4: Simplify right side
    1,981,765,498.73x = 4,435,099,378,363,507,712
  5. Step 5: Solve for x
    x = 4,435,099,378,363,507,712/1,981,765,498.73
  6. Step 6: Final answer
    x = 2,237,953,673.73

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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.