Home / 470,383,942.93-705,424,859.51-155,179,116.92

Finding the Fourth Proportional to 470,383,942.93, 705,424,859.51 and 155,179,116.92

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Solution

The fourth proportional to 470,383,942.93, 705,424,859.51 and 155,179,116.92 is: 232,718,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,383,942.93 : 705,424,859.51 = 155,179,116.92 : x
  2. Step 2: Convert to fraction form
    470,383,942.93/705,424,859.51 = 155,179,116.92/x
  3. Step 3: Cross multiply
    470,383,942.93x = 705,424,859.51 × 155,179,116.92
  4. Step 4: Simplify right side
    470,383,942.93x = 109,467,206,753,164,544
  5. Step 5: Solve for x
    x = 109,467,206,753,164,544/470,383,942.93
  6. Step 6: Final answer
    x = 232,718,842.55

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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.