Home / 12,940,031,488,231-17,857,804,783,002-7,165,916,520,175

Finding the Fourth Proportional to 12,940,031,488,231, 17,857,804,783,002 and 7,165,916,520,175

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Solution

The fourth proportional to 12,940,031,488,231, 17,857,804,783,002 and 7,165,916,520,175 is: 9,889,275,650,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,031,488,231 : 17,857,804,783,002 = 7,165,916,520,175 : x
  2. Step 2: Convert to fraction form
    12,940,031,488,231/17,857,804,783,002 = 7,165,916,520,175/x
  3. Step 3: Cross multiply
    12,940,031,488,231x = 17,857,804,783,002 × 7,165,916,520,175
  4. Step 4: Simplify right side
    12,940,031,488,231x = 127,967,538,308,574,156,255,395,840
  5. Step 5: Solve for x
    x = 127,967,538,308,574,156,255,395,840/12,940,031,488,231
  6. Step 6: Final answer
    x = 9,889,275,650,137.41

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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.