Home / 1,206,238,247.52-1,809,141,986.96-320,928,695.52

Finding the Fourth Proportional to 1,206,238,247.52, 1,809,141,986.96 and 320,928,695.52

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Solution

The fourth proportional to 1,206,238,247.52, 1,809,141,986.96 and 320,928,695.52 is: 481,335,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,238,247.52 : 1,809,141,986.96 = 320,928,695.52 : x
  2. Step 2: Convert to fraction form
    1,206,238,247.52/1,809,141,986.96 = 320,928,695.52/x
  3. Step 3: Cross multiply
    1,206,238,247.52x = 1,809,141,986.96 × 320,928,695.52
  4. Step 4: Simplify right side
    1,206,238,247.52x = 580,605,577,885,533,568
  5. Step 5: Solve for x
    x = 580,605,577,885,533,568/1,206,238,247.52
  6. Step 6: Final answer
    x = 481,335,738.67

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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.