Home / 682,939,936.90-1,023,066,212.55-409,498,452.10

Finding the Fourth Proportional to 682,939,936.90, 1,023,066,212.55 and 409,498,452.10

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Solution

The fourth proportional to 682,939,936.90, 1,023,066,212.55 and 409,498,452.10 is: 613,441,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,939,936.90 : 1,023,066,212.55 = 409,498,452.10 : x
  2. Step 2: Convert to fraction form
    682,939,936.90/1,023,066,212.55 = 409,498,452.10/x
  3. Step 3: Cross multiply
    682,939,936.90x = 1,023,066,212.55 × 409,498,452.10
  4. Step 4: Simplify right side
    682,939,936.90x = 418,944,030,435,034,624
  5. Step 5: Solve for x
    x = 418,944,030,435,034,624/682,939,936.90
  6. Step 6: Final answer
    x = 613,441,984.86

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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.