Home / 578,309,030.06-798,723,546.53-389,812,221.77

Finding the Fourth Proportional to 578,309,030.06, 798,723,546.53 and 389,812,221.77

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Solution

The fourth proportional to 578,309,030.06, 798,723,546.53 and 389,812,221.77 is: 538,383,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,309,030.06 : 798,723,546.53 = 389,812,221.77 : x
  2. Step 2: Convert to fraction form
    578,309,030.06/798,723,546.53 = 389,812,221.77/x
  3. Step 3: Cross multiply
    578,309,030.06x = 798,723,546.53 × 389,812,221.77
  4. Step 4: Simplify right side
    578,309,030.06x = 311,352,200,246,930,560
  5. Step 5: Solve for x
    x = 311,352,200,246,930,560/578,309,030.06
  6. Step 6: Final answer
    x = 538,383,777.64

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