Home / 425,665,399.77-638,191,663.02-261,564,113.79

Finding the Fourth Proportional to 425,665,399.77, 638,191,663.02 and 261,564,113.79

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Solution

The fourth proportional to 425,665,399.77, 638,191,663.02 and 261,564,113.79 is: 392,157,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,665,399.77 : 638,191,663.02 = 261,564,113.79 : x
  2. Step 2: Convert to fraction form
    425,665,399.77/638,191,663.02 = 261,564,113.79/x
  3. Step 3: Cross multiply
    425,665,399.77x = 638,191,663.02 × 261,564,113.79
  4. Step 4: Simplify right side
    425,665,399.77x = 166,928,036,765,992,608
  5. Step 5: Solve for x
    x = 166,928,036,765,992,608/425,665,399.77
  6. Step 6: Final answer
    x = 392,157,870.61

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