Home / 12,899,285,420.78-19,350,026,288.74-3,937,487,626.39

Finding the Fourth Proportional to 12,899,285,420.78, 19,350,026,288.74 and 3,937,487,626.39

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Solution

The fourth proportional to 12,899,285,420.78, 19,350,026,288.74 and 3,937,487,626.39 is: 5,906,566,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,285,420.78 : 19,350,026,288.74 = 3,937,487,626.39 : x
  2. Step 2: Convert to fraction form
    12,899,285,420.78/19,350,026,288.74 = 3,937,487,626.39/x
  3. Step 3: Cross multiply
    12,899,285,420.78x = 19,350,026,288.74 × 3,937,487,626.39
  4. Step 4: Simplify right side
    12,899,285,420.78x = 76,190,489,082,234,961,920
  5. Step 5: Solve for x
    x = 76,190,489,082,234,961,920/12,899,285,420.78
  6. Step 6: Final answer
    x = 5,906,566,650.54

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1.5x scale

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.