Home / 405,986,035.88-609,235,239.00-172,816,395.55

Finding the Fourth Proportional to 405,986,035.88, 609,235,239.00 and 172,816,395.55

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Solution

The fourth proportional to 405,986,035.88, 609,235,239.00 and 172,816,395.55 is: 259,333,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,986,035.88 : 609,235,239.00 = 172,816,395.55 : x
  2. Step 2: Convert to fraction form
    405,986,035.88/609,235,239.00 = 172,816,395.55/x
  3. Step 3: Cross multiply
    405,986,035.88x = 609,235,239.00 × 172,816,395.55
  4. Step 4: Simplify right side
    405,986,035.88x = 105,285,838,045,142,592
  5. Step 5: Solve for x
    x = 105,285,838,045,142,592/405,986,035.88
  6. Step 6: Final answer
    x = 259,333,643.87

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