Home / 646,682,620.32-970,010,003.34-180,331,619.10

Finding the Fourth Proportional to 646,682,620.32, 970,010,003.34 and 180,331,619.10

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Solution

The fourth proportional to 646,682,620.32, 970,010,003.34 and 180,331,619.10 is: 270,493,544.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,682,620.32 : 970,010,003.34 = 180,331,619.10 : x
  2. Step 2: Convert to fraction form
    646,682,620.32/970,010,003.34 = 180,331,619.10/x
  3. Step 3: Cross multiply
    646,682,620.32x = 970,010,003.34 × 180,331,619.10
  4. Step 4: Simplify right side
    646,682,620.32x = 174,923,474,445,498,624
  5. Step 5: Solve for x
    x = 174,923,474,445,498,624/646,682,620.32
  6. Step 6: Final answer
    x = 270,493,544.98

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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.