Home / 19,973,932,760.07-29,919,206,579.13-11,980,751,563.53

Finding the Fourth Proportional to 19,973,932,760.07, 29,919,206,579.13 and 11,980,751,563.53

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Solution

The fourth proportional to 19,973,932,760.07, 29,919,206,579.13 and 11,980,751,563.53 is: 17,946,119,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973,932,760.07 : 29,919,206,579.13 = 11,980,751,563.53 : x
  2. Step 2: Convert to fraction form
    19,973,932,760.07/29,919,206,579.13 = 11,980,751,563.53/x
  3. Step 3: Cross multiply
    19,973,932,760.07x = 29,919,206,579.13 × 11,980,751,563.53
  4. Step 4: Simplify right side
    19,973,932,760.07x = 358,454,581,002,488,840,192
  5. Step 5: Solve for x
    x = 358,454,581,002,488,840,192/19,973,932,760.07
  6. Step 6: Final answer
    x = 17,946,119,340.06

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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.