Home / 1,529,878,136.09-2,295,285,540.41-783,422,426.78

Finding the Fourth Proportional to 1,529,878,136.09, 2,295,285,540.41 and 783,422,426.78

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Solution

The fourth proportional to 1,529,878,136.09, 2,295,285,540.41 and 783,422,426.78 is: 1,175,373,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,878,136.09 : 2,295,285,540.41 = 783,422,426.78 : x
  2. Step 2: Convert to fraction form
    1,529,878,136.09/2,295,285,540.41 = 783,422,426.78/x
  3. Step 3: Cross multiply
    1,529,878,136.09x = 2,295,285,540.41 × 783,422,426.78
  4. Step 4: Simplify right side
    1,529,878,136.09x = 1,798,178,168,222,867,200
  5. Step 5: Solve for x
    x = 1,798,178,168,222,867,200/1,529,878,136.09
  6. Step 6: Final answer
    x = 1,175,373,466.56

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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.