Home / 629,859,358.40-944,789,037.60-323,749,342.40

Finding the Fourth Proportional to 629,859,358.40, 944,789,037.60 and 323,749,342.40

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Solution

The fourth proportional to 629,859,358.40, 944,789,037.60 and 323,749,342.40 is: 485,624,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,358.40 : 944,789,037.60 = 323,749,342.40 : x
  2. Step 2: Convert to fraction form
    629,859,358.40/944,789,037.60 = 323,749,342.40/x
  3. Step 3: Cross multiply
    629,859,358.40x = 944,789,037.60 × 323,749,342.40
  4. Step 4: Simplify right side
    629,859,358.40x = 305,874,829,629,728,832
  5. Step 5: Solve for x
    x = 305,874,829,629,728,832/629,859,358.40
  6. Step 6: Final answer
    x = 485,624,013.60

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Double scale
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Similar ratio
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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.