Home / 56,103,120,142.87-77,422,347,538.47-30,382,599,717.93

Finding the Fourth Proportional to 56,103,120,142.87, 77,422,347,538.47 and 30,382,599,717.93

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Solution

The fourth proportional to 56,103,120,142.87, 77,422,347,538.47 and 30,382,599,717.93 is: 41,928,010,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,103,120,142.87 : 77,422,347,538.47 = 30,382,599,717.93 : x
  2. Step 2: Convert to fraction form
    56,103,120,142.87/77,422,347,538.47 = 30,382,599,717.93/x
  3. Step 3: Cross multiply
    56,103,120,142.87x = 77,422,347,538.47 × 30,382,599,717.93
  4. Step 4: Simplify right side
    56,103,120,142.87x = 2,352,292,194,483,644,923,904
  5. Step 5: Solve for x
    x = 2,352,292,194,483,644,923,904/56,103,120,142.87
  6. Step 6: Final answer
    x = 41,928,010,215.71

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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.