Home / 12,786,361,742,817-19,180,670,128,305-3,607,499,873,107.20

Finding the Fourth Proportional to 12,786,361,742,817, 19,180,670,128,305 and 3,607,499,873,107.20

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Solution

The fourth proportional to 12,786,361,742,817, 19,180,670,128,305 and 3,607,499,873,107.20 is: 5,411,567,922,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,361,742,817 : 19,180,670,128,305 = 3,607,499,873,107.20 : x
  2. Step 2: Convert to fraction form
    12,786,361,742,817/19,180,670,128,305 = 3,607,499,873,107.20/x
  3. Step 3: Cross multiply
    12,786,361,742,817x = 19,180,670,128,305 × 3,607,499,873,107.20
  4. Step 4: Simplify right side
    12,786,361,742,817x = 69,194,265,053,971,351,987,027,968
  5. Step 5: Solve for x
    x = 69,194,265,053,971,351,987,027,968/12,786,361,742,817
  6. Step 6: Final answer
    x = 5,411,567,922,583.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.