Home / 12,940,031,488,621-17,857,804,783,538-7,165,916,520,562.20

Finding the Fourth Proportional to 12,940,031,488,621, 17,857,804,783,538 and 7,165,916,520,562.20

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Solution

The fourth proportional to 12,940,031,488,621, 17,857,804,783,538 and 7,165,916,520,562.20 is: 9,889,275,650,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,031,488,621 : 17,857,804,783,538 = 7,165,916,520,562.20 : x
  2. Step 2: Convert to fraction form
    12,940,031,488,621/17,857,804,783,538 = 7,165,916,520,562.20/x
  3. Step 3: Cross multiply
    12,940,031,488,621x = 17,857,804,783,538 × 7,165,916,520,562.20
  4. Step 4: Simplify right side
    12,940,031,488,621x = 127,967,538,319,329,647,717,777,408
  5. Step 5: Solve for x
    x = 127,967,538,319,329,647,717,777,408/12,940,031,488,621
  6. Step 6: Final answer
    x = 9,889,275,650,670.54

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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.