Home / 426,494,171.52-639,765,187.92-119,762,369.28

Finding the Fourth Proportional to 426,494,171.52, 639,765,187.92 and 119,762,369.28

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Solution

The fourth proportional to 426,494,171.52, 639,765,187.92 and 119,762,369.28 is: 179,650,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,494,171.52 : 639,765,187.92 = 119,762,369.28 : x
  2. Step 2: Convert to fraction form
    426,494,171.52/639,765,187.92 = 119,762,369.28/x
  3. Step 3: Cross multiply
    426,494,171.52x = 639,765,187.92 × 119,762,369.28
  4. Step 4: Simplify right side
    426,494,171.52x = 76,619,794,688,163,632
  5. Step 5: Solve for x
    x = 76,619,794,688,163,632/426,494,171.52
  6. Step 6: Final answer
    x = 179,650,273.80

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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.