Home / 777,619,122.66-1,166,429,806.61-317,557,291.97

Finding the Fourth Proportional to 777,619,122.66, 1,166,429,806.61 and 317,557,291.97

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Solution

The fourth proportional to 777,619,122.66, 1,166,429,806.61 and 317,557,291.97 is: 476,336,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,619,122.66 : 1,166,429,806.61 = 317,557,291.97 : x
  2. Step 2: Convert to fraction form
    777,619,122.66/1,166,429,806.61 = 317,557,291.97/x
  3. Step 3: Cross multiply
    777,619,122.66x = 1,166,429,806.61 × 317,557,291.97
  4. Step 4: Simplify right side
    777,619,122.66x = 370,408,290,658,040,192
  5. Step 5: Solve for x
    x = 370,408,290,658,040,192/777,619,122.66
  6. Step 6: Final answer
    x = 476,336,396.40

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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.