Home / 56,103,120,142.37-77,422,347,537.78-30,382,599,717.43

Finding the Fourth Proportional to 56,103,120,142.37, 77,422,347,537.78 and 30,382,599,717.43

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Solution

The fourth proportional to 56,103,120,142.37, 77,422,347,537.78 and 30,382,599,717.43 is: 41,928,010,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,103,120,142.37 : 77,422,347,537.78 = 30,382,599,717.43 : x
  2. Step 2: Convert to fraction form
    56,103,120,142.37/77,422,347,537.78 = 30,382,599,717.43/x
  3. Step 3: Cross multiply
    56,103,120,142.37x = 77,422,347,537.78 × 30,382,599,717.43
  4. Step 4: Simplify right side
    56,103,120,142.37x = 2,352,292,194,424,121,982,976
  5. Step 5: Solve for x
    x = 2,352,292,194,424,121,982,976/56,103,120,142.37
  6. Step 6: Final answer
    x = 41,928,010,215.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.