Home / 12,940,031,488,219-17,857,804,782,986-7,165,916,520,163.20

Finding the Fourth Proportional to 12,940,031,488,219, 17,857,804,782,986 and 7,165,916,520,163.20

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Solution

The fourth proportional to 12,940,031,488,219, 17,857,804,782,986 and 7,165,916,520,163.20 is: 9,889,275,650,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,031,488,219 : 17,857,804,782,986 = 7,165,916,520,163.20 : x
  2. Step 2: Convert to fraction form
    12,940,031,488,219/17,857,804,782,986 = 7,165,916,520,163.20/x
  3. Step 3: Cross multiply
    12,940,031,488,219x = 17,857,804,782,986 × 7,165,916,520,163.20
  4. Step 4: Simplify right side
    12,940,031,488,219x = 127,967,538,308,248,786,712,920,064
  5. Step 5: Solve for x
    x = 127,967,538,308,248,786,712,920,064/12,940,031,488,219
  6. Step 6: Final answer
    x = 9,889,275,650,121.44

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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.