Home / 681,446,782.44-1,022,342,153.94-190,159,643.52

Finding the Fourth Proportional to 681,446,782.44, 1,022,342,153.94 and 190,159,643.52

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Solution

The fourth proportional to 681,446,782.44, 1,022,342,153.94 and 190,159,643.52 is: 285,287,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,446,782.44 : 1,022,342,153.94 = 190,159,643.52 : x
  2. Step 2: Convert to fraction form
    681,446,782.44/1,022,342,153.94 = 190,159,643.52/x
  3. Step 3: Cross multiply
    681,446,782.44x = 1,022,342,153.94 × 190,159,643.52
  4. Step 4: Simplify right side
    681,446,782.44x = 194,408,219,548,699,392
  5. Step 5: Solve for x
    x = 194,408,219,548,699,392/681,446,782.44
  6. Step 6: Final answer
    x = 285,287,456.86

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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.