Home / 470,383,899.74-705,424,794.89-155,179,073.72

Finding the Fourth Proportional to 470,383,899.74, 705,424,794.89 and 155,179,073.72

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Solution

The fourth proportional to 470,383,899.74, 705,424,794.89 and 155,179,073.72 is: 232,718,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,383,899.74 : 705,424,794.89 = 155,179,073.72 : x
  2. Step 2: Convert to fraction form
    470,383,899.74/705,424,794.89 = 155,179,073.72/x
  3. Step 3: Cross multiply
    470,383,899.74x = 705,424,794.89 × 155,179,073.72
  4. Step 4: Simplify right side
    470,383,899.74x = 109,467,166,250,151,184
  5. Step 5: Solve for x
    x = 109,467,166,250,151,184/470,383,899.74
  6. Step 6: Final answer
    x = 232,718,777.81

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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.