Home / 629,856,777.60-944,785,166.40-220,765,305.60

Finding the Fourth Proportional to 629,856,777.60, 944,785,166.40 and 220,765,305.60

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Solution

The fourth proportional to 629,856,777.60, 944,785,166.40 and 220,765,305.60 is: 331,147,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,777.60 : 944,785,166.40 = 220,765,305.60 : x
  2. Step 2: Convert to fraction form
    629,856,777.60/944,785,166.40 = 220,765,305.60/x
  3. Step 3: Cross multiply
    629,856,777.60x = 944,785,166.40 × 220,765,305.60
  4. Step 4: Simplify right side
    629,856,777.60x = 208,575,785,986,642,848
  5. Step 5: Solve for x
    x = 208,575,785,986,642,848/629,856,777.60
  6. Step 6: Final answer
    x = 331,147,958.40

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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.