Home / 639,576,022.40-959,364,033.60-629,372,355.20

Finding the Fourth Proportional to 639,576,022.40, 959,364,033.60 and 629,372,355.20

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Solution

The fourth proportional to 639,576,022.40, 959,364,033.60 and 629,372,355.20 is: 944,058,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,576,022.40 : 959,364,033.60 = 629,372,355.20 : x
  2. Step 2: Convert to fraction form
    639,576,022.40/959,364,033.60 = 629,372,355.20/x
  3. Step 3: Cross multiply
    639,576,022.40x = 959,364,033.60 × 629,372,355.20
  4. Step 4: Simplify right side
    639,576,022.40x = 603,797,201,321,004,032
  5. Step 5: Solve for x
    x = 603,797,201,321,004,032/639,576,022.40
  6. Step 6: Final answer
    x = 944,058,532.80

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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.