Home / 19,664,247,661.83-29,483,689,481.79-7,713,707,519.84

Finding the Fourth Proportional to 19,664,247,661.83, 29,483,689,481.79 and 7,713,707,519.84

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Solution

The fourth proportional to 19,664,247,661.83, 29,483,689,481.79 and 7,713,707,519.84 is: 11,565,586,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664,247,661.83 : 29,483,689,481.79 = 7,713,707,519.84 : x
  2. Step 2: Convert to fraction form
    19,664,247,661.83/29,483,689,481.79 = 7,713,707,519.84/x
  3. Step 3: Cross multiply
    19,664,247,661.83x = 29,483,689,481.79 × 7,713,707,519.84
  4. Step 4: Simplify right side
    19,664,247,661.83x = 227,428,557,268,163,624,960
  5. Step 5: Solve for x
    x = 227,428,557,268,163,624,960/19,664,247,661.83
  6. Step 6: Final answer
    x = 11,565,586,498.87

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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.