Home / 415,599,978.30-623,496,982.80-120,501,270.78

Finding the Fourth Proportional to 415,599,978.30, 623,496,982.80 and 120,501,270.78

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Solution

The fourth proportional to 415,599,978.30, 623,496,982.80 and 120,501,270.78 is: 180,780,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,599,978.30 : 623,496,982.80 = 120,501,270.78 : x
  2. Step 2: Convert to fraction form
    415,599,978.30/623,496,982.80 = 120,501,270.78/x
  3. Step 3: Cross multiply
    415,599,978.30x = 623,496,982.80 × 120,501,270.78
  4. Step 4: Simplify right side
    415,599,978.30x = 75,132,178,754,895,792
  5. Step 5: Solve for x
    x = 75,132,178,754,895,792/415,599,978.30
  6. Step 6: Final answer
    x = 180,780,035.32

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