Home / 1,928,251,182.35-2,658,296,749.19-1,293,285,143.35

Finding the Fourth Proportional to 1,928,251,182.35, 2,658,296,749.19 and 1,293,285,143.35

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Solution

The fourth proportional to 1,928,251,182.35, 2,658,296,749.19 and 1,293,285,143.35 is: 1,782,929,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,251,182.35 : 2,658,296,749.19 = 1,293,285,143.35 : x
  2. Step 2: Convert to fraction form
    1,928,251,182.35/2,658,296,749.19 = 1,293,285,143.35/x
  3. Step 3: Cross multiply
    1,928,251,182.35x = 2,658,296,749.19 × 1,293,285,143.35
  4. Step 4: Simplify right side
    1,928,251,182.35x = 3,437,935,692,339,751,936
  5. Step 5: Solve for x
    x = 3,437,935,692,339,751,936/1,928,251,182.35
  6. Step 6: Final answer
    x = 1,782,929,383.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.