Home / 12,940,031,488,079-17,857,804,782,792-7,165,916,520,022.90

Finding the Fourth Proportional to 12,940,031,488,079, 17,857,804,782,792 and 7,165,916,520,022.90

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Solution

The fourth proportional to 12,940,031,488,079, 17,857,804,782,792 and 7,165,916,520,022.90 is: 9,889,275,649,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,031,488,079 : 17,857,804,782,792 = 7,165,916,520,022.90 : x
  2. Step 2: Convert to fraction form
    12,940,031,488,079/17,857,804,782,792 = 7,165,916,520,022.90/x
  3. Step 3: Cross multiply
    12,940,031,488,079x = 17,857,804,782,792 × 7,165,916,520,022.90
  4. Step 4: Simplify right side
    12,940,031,488,079x = 127,967,538,304,353,148,296,232,960
  5. Step 5: Solve for x
    x = 127,967,538,304,353,148,296,232,960/12,940,031,488,079
  6. Step 6: Final answer
    x = 9,889,275,649,927.38

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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.