Home / 470,383,898.74-705,424,793.39-155,179,072.72

Finding the Fourth Proportional to 470,383,898.74, 705,424,793.39 and 155,179,072.72

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Solution

The fourth proportional to 470,383,898.74, 705,424,793.39 and 155,179,072.72 is: 232,718,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,383,898.74 : 705,424,793.39 = 155,179,072.72 : x
  2. Step 2: Convert to fraction form
    470,383,898.74/705,424,793.39 = 155,179,072.72/x
  3. Step 3: Cross multiply
    470,383,898.74x = 705,424,793.39 × 155,179,072.72
  4. Step 4: Simplify right side
    470,383,898.74x = 109,467,165,311,957,776
  5. Step 5: Solve for x
    x = 109,467,165,311,957,776/470,383,898.74
  6. Step 6: Final answer
    x = 232,718,776.31

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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.