Home / 512,351,993,286.90-768,373,260,883.14-154,108,866,730.50

Finding the Fourth Proportional to 512,351,993,286.90, 768,373,260,883.14 and 154,108,866,730.50

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Solution

The fourth proportional to 512,351,993,286.90, 768,373,260,883.14 and 154,108,866,730.50 is: 231,116,759,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,351,993,286.90 : 768,373,260,883.14 = 154,108,866,730.50 : x
  2. Step 2: Convert to fraction form
    512,351,993,286.90/768,373,260,883.14 = 154,108,866,730.50/x
  3. Step 3: Cross multiply
    512,351,993,286.90x = 768,373,260,883.14 × 154,108,866,730.50
  4. Step 4: Simplify right side
    512,351,993,286.90x = 118,413,132,460,719,540,797,440
  5. Step 5: Solve for x
    x = 118,413,132,460,719,540,797,440/512,351,993,286.90
  6. Step 6: Final answer
    x = 231,116,759,595.41

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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.