Home / 777,619,128.44-1,166,429,815.24-317,557,297.75

Finding the Fourth Proportional to 777,619,128.44, 1,166,429,815.24 and 317,557,297.75

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Solution

The fourth proportional to 777,619,128.44, 1,166,429,815.24 and 317,557,297.75 is: 476,336,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,619,128.44 : 1,166,429,815.24 = 317,557,297.75 : x
  2. Step 2: Convert to fraction form
    777,619,128.44/1,166,429,815.24 = 317,557,297.75/x
  3. Step 3: Cross multiply
    777,619,128.44x = 1,166,429,815.24 × 317,557,297.75
  4. Step 4: Simplify right side
    777,619,128.44x = 370,408,300,141,720,704
  5. Step 5: Solve for x
    x = 370,408,300,141,720,704/777,619,128.44
  6. Step 6: Final answer
    x = 476,336,405.06

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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.