Home / 481,535,108-664,522,354.20-261,520,108.64

Finding the Fourth Proportional to 481,535,108, 664,522,354.20 and 261,520,108.64

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Solution

The fourth proportional to 481,535,108, 664,522,354.20 and 261,520,108.64 is: 360,899,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,535,108 : 664,522,354.20 = 261,520,108.64 : x
  2. Step 2: Convert to fraction form
    481,535,108/664,522,354.20 = 261,520,108.64/x
  3. Step 3: Cross multiply
    481,535,108x = 664,522,354.20 × 261,520,108.64
  4. Step 4: Simplify right side
    481,535,108x = 173,785,958,264,092,576
  5. Step 5: Solve for x
    x = 173,785,958,264,092,576/481,535,108
  6. Step 6: Final answer
    x = 360,899,870.80

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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.