Home / 19,973,932,765.57-29,919,206,587.38-11,980,751,569.03

Finding the Fourth Proportional to 19,973,932,765.57, 29,919,206,587.38 and 11,980,751,569.03

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Solution

The fourth proportional to 19,973,932,765.57, 29,919,206,587.38 and 11,980,751,569.03 is: 17,946,119,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973,932,765.57 : 29,919,206,587.38 = 11,980,751,569.03 : x
  2. Step 2: Convert to fraction form
    19,973,932,765.57/29,919,206,587.38 = 11,980,751,569.03/x
  3. Step 3: Cross multiply
    19,973,932,765.57x = 29,919,206,587.38 × 11,980,751,569.03
  4. Step 4: Simplify right side
    19,973,932,765.57x = 358,454,581,265,885,691,904
  5. Step 5: Solve for x
    x = 358,454,581,265,885,691,904/19,973,932,765.57
  6. Step 6: Final answer
    x = 17,946,119,348.30

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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.