Home / 12,889,195,968,642-17,787,162,683,480-7,333,520,296,486

Finding the Fourth Proportional to 12,889,195,968,642, 17,787,162,683,480 and 7,333,520,296,486

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Solution

The fourth proportional to 12,889,195,968,642, 17,787,162,683,480 and 7,333,520,296,486 is: 10,120,299,115,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,195,968,642 : 17,787,162,683,480 = 7,333,520,296,486 : x
  2. Step 2: Convert to fraction form
    12,889,195,968,642/17,787,162,683,480 = 7,333,520,296,486/x
  3. Step 3: Cross multiply
    12,889,195,968,642x = 17,787,162,683,480 × 7,333,520,296,486
  4. Step 4: Simplify right side
    12,889,195,968,642x = 130,442,518,556,198,957,016,416,256
  5. Step 5: Solve for x
    x = 130,442,518,556,198,957,016,416,256/12,889,195,968,642
  6. Step 6: Final answer
    x = 10,120,299,115,131.10

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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.