Home / 2,131,745,107.20-3,197,617,660.80-1,615,184,455.20

Finding the Fourth Proportional to 2,131,745,107.20, 3,197,617,660.80 and 1,615,184,455.20

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Solution

The fourth proportional to 2,131,745,107.20, 3,197,617,660.80 and 1,615,184,455.20 is: 2,422,776,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,745,107.20 : 3,197,617,660.80 = 1,615,184,455.20 : x
  2. Step 2: Convert to fraction form
    2,131,745,107.20/3,197,617,660.80 = 1,615,184,455.20/x
  3. Step 3: Cross multiply
    2,131,745,107.20x = 3,197,617,660.80 × 1,615,184,455.20
  4. Step 4: Simplify right side
    2,131,745,107.20x = 5,164,742,339,397,146,624
  5. Step 5: Solve for x
    x = 5,164,742,339,397,146,624/2,131,745,107.20
  6. Step 6: Final answer
    x = 2,422,776,682.80

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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.