Home / 12,940,031,488,220-17,857,804,782,987-7,165,916,520,164

Finding the Fourth Proportional to 12,940,031,488,220, 17,857,804,782,987 and 7,165,916,520,164

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Solution

The fourth proportional to 12,940,031,488,220, 17,857,804,782,987 and 7,165,916,520,164 is: 9,889,275,650,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,031,488,220 : 17,857,804,782,987 = 7,165,916,520,164 : x
  2. Step 2: Convert to fraction form
    12,940,031,488,220/17,857,804,782,987 = 7,165,916,520,164/x
  3. Step 3: Cross multiply
    12,940,031,488,220x = 17,857,804,782,987 × 7,165,916,520,164
  4. Step 4: Simplify right side
    12,940,031,488,220x = 127,967,538,308,270,244,369,530,880
  5. Step 5: Solve for x
    x = 127,967,538,308,270,244,369,530,880/12,940,031,488,220
  6. Step 6: Final answer
    x = 9,889,275,650,122.33

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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.