Home / 1,529,878,189.66-2,295,285,620.78-783,422,480.27

Finding the Fourth Proportional to 1,529,878,189.66, 2,295,285,620.78 and 783,422,480.27

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Solution

The fourth proportional to 1,529,878,189.66, 2,295,285,620.78 and 783,422,480.27 is: 1,175,373,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,878,189.66 : 2,295,285,620.78 = 783,422,480.27 : x
  2. Step 2: Convert to fraction form
    1,529,878,189.66/2,295,285,620.78 = 783,422,480.27/x
  3. Step 3: Cross multiply
    1,529,878,189.66x = 2,295,285,620.78 × 783,422,480.27
  4. Step 4: Simplify right side
    1,529,878,189.66x = 1,798,178,353,967,230,976
  5. Step 5: Solve for x
    x = 1,798,178,353,967,230,976/1,529,878,189.66
  6. Step 6: Final answer
    x = 1,175,373,546.81

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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.