Home / 13,216,450,857.22-19,818,858,777.71-7,004,160,658.90

Finding the Fourth Proportional to 13,216,450,857.22, 19,818,858,777.71 and 7,004,160,658.90

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Solution

The fourth proportional to 13,216,450,857.22, 19,818,858,777.71 and 7,004,160,658.90 is: 10,503,157,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216,450,857.22 : 19,818,858,777.71 = 7,004,160,658.90 : x
  2. Step 2: Convert to fraction form
    13,216,450,857.22/19,818,858,777.71 = 7,004,160,658.90/x
  3. Step 3: Cross multiply
    13,216,450,857.22x = 19,818,858,777.71 × 7,004,160,658.90
  4. Step 4: Simplify right side
    13,216,450,857.22x = 138,814,470,955,131,305,984
  5. Step 5: Solve for x
    x = 138,814,470,955,131,305,984/13,216,450,857.22
  6. Step 6: Final answer
    x = 10,503,157,954.79

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1.5x scale

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.