Home / 628,264,972.00-867,099,918.86-477,309,219.38

Finding the Fourth Proportional to 628,264,972.00, 867,099,918.86 and 477,309,219.38

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Solution

The fourth proportional to 628,264,972.00, 867,099,918.86 and 477,309,219.38 is: 658,758,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,264,972.00 : 867,099,918.86 = 477,309,219.38 : x
  2. Step 2: Convert to fraction form
    628,264,972.00/867,099,918.86 = 477,309,219.38/x
  3. Step 3: Cross multiply
    628,264,972.00x = 867,099,918.86 × 477,309,219.38
  4. Step 4: Simplify right side
    628,264,972.00x = 413,874,785,393,469,568
  5. Step 5: Solve for x
    x = 413,874,785,393,469,568/628,264,972.00
  6. Step 6: Final answer
    x = 658,758,332.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.