Home / 19,298,485,028.48-28,949,395,049.28-5,324,106,921.48

Finding the Fourth Proportional to 19,298,485,028.48, 28,949,395,049.28 and 5,324,106,921.48

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Solution

The fourth proportional to 19,298,485,028.48, 28,949,395,049.28 and 5,324,106,921.48 is: 7,986,620,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298,485,028.48 : 28,949,395,049.28 = 5,324,106,921.48 : x
  2. Step 2: Convert to fraction form
    19,298,485,028.48/28,949,395,049.28 = 5,324,106,921.48/x
  3. Step 3: Cross multiply
    19,298,485,028.48x = 28,949,395,049.28 × 5,324,106,921.48
  4. Step 4: Simplify right side
    19,298,485,028.48x = 154,129,674,554,530,463,744
  5. Step 5: Solve for x
    x = 154,129,674,554,530,463,744/19,298,485,028.48
  6. Step 6: Final answer
    x = 7,986,620,417.46

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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.