Home / 629,856,817.60-944,785,226.40-220,765,345.60

Finding the Fourth Proportional to 629,856,817.60, 944,785,226.40 and 220,765,345.60

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Solution

The fourth proportional to 629,856,817.60, 944,785,226.40 and 220,765,345.60 is: 331,148,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,817.60 : 944,785,226.40 = 220,765,345.60 : x
  2. Step 2: Convert to fraction form
    629,856,817.60/944,785,226.40 = 220,765,345.60/x
  3. Step 3: Cross multiply
    629,856,817.60x = 944,785,226.40 × 220,765,345.60
  4. Step 4: Simplify right side
    629,856,817.60x = 208,575,837,023,970,240
  5. Step 5: Solve for x
    x = 208,575,837,023,970,240/629,856,817.60
  6. Step 6: Final answer
    x = 331,148,018.40

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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.