Home / 470,383,948.19-705,424,867.38-155,179,122.18

Finding the Fourth Proportional to 470,383,948.19, 705,424,867.38 and 155,179,122.18

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Solution

The fourth proportional to 470,383,948.19, 705,424,867.38 and 155,179,122.18 is: 232,718,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,383,948.19 : 705,424,867.38 = 155,179,122.18 : x
  2. Step 2: Convert to fraction form
    470,383,948.19/705,424,867.38 = 155,179,122.18/x
  3. Step 3: Cross multiply
    470,383,948.19x = 705,424,867.38 × 155,179,122.18
  4. Step 4: Simplify right side
    470,383,948.19x = 109,467,211,683,971,328
  5. Step 5: Solve for x
    x = 109,467,211,683,971,328/470,383,948.19
  6. Step 6: Final answer
    x = 232,718,850.43

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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.