Home / 470,383,900.24-705,424,795.63-155,179,074.22

Finding the Fourth Proportional to 470,383,900.24, 705,424,795.63 and 155,179,074.22

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Solution

The fourth proportional to 470,383,900.24, 705,424,795.63 and 155,179,074.22 is: 232,718,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,383,900.24 : 705,424,795.63 = 155,179,074.22 : x
  2. Step 2: Convert to fraction form
    470,383,900.24/705,424,795.63 = 155,179,074.22/x
  3. Step 3: Cross multiply
    470,383,900.24x = 705,424,795.63 × 155,179,074.22
  4. Step 4: Simplify right side
    470,383,900.24x = 109,467,166,717,696,096
  5. Step 5: Solve for x
    x = 109,467,166,717,696,096/470,383,900.24
  6. Step 6: Final answer
    x = 232,718,778.56

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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.