Home / 777,619,126.56-1,166,429,812.43-317,557,295.88

Finding the Fourth Proportional to 777,619,126.56, 1,166,429,812.43 and 317,557,295.88

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Solution

The fourth proportional to 777,619,126.56, 1,166,429,812.43 and 317,557,295.88 is: 476,336,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,619,126.56 : 1,166,429,812.43 = 317,557,295.88 : x
  2. Step 2: Convert to fraction form
    777,619,126.56/1,166,429,812.43 = 317,557,295.88/x
  3. Step 3: Cross multiply
    777,619,126.56x = 1,166,429,812.43 × 317,557,295.88
  4. Step 4: Simplify right side
    777,619,126.56x = 370,408,297,067,498,624
  5. Step 5: Solve for x
    x = 370,408,297,067,498,624/777,619,126.56
  6. Step 6: Final answer
    x = 476,336,402.25

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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.