Home / 629,857,228.40-944,785,842.60-285,483,460.40

Finding the Fourth Proportional to 629,857,228.40, 944,785,842.60 and 285,483,460.40

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Solution

The fourth proportional to 629,857,228.40, 944,785,842.60 and 285,483,460.40 is: 428,225,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,228.40 : 944,785,842.60 = 285,483,460.40 : x
  2. Step 2: Convert to fraction form
    629,857,228.40/944,785,842.60 = 285,483,460.40/x
  3. Step 3: Cross multiply
    629,857,228.40x = 944,785,842.60 × 285,483,460.40
  4. Step 4: Simplify right side
    629,857,228.40x = 269,720,731,682,377,728
  5. Step 5: Solve for x
    x = 269,720,731,682,377,728/629,857,228.40
  6. Step 6: Final answer
    x = 428,225,190.60

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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.