Home / 8,261,970,683.21-12,395,387,491.95-2,665,802,788.51

Finding the Fourth Proportional to 8,261,970,683.21, 12,395,387,491.95 and 2,665,802,788.51

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Solution

The fourth proportional to 8,261,970,683.21, 12,395,387,491.95 and 2,665,802,788.51 is: 3,999,488,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261,970,683.21 : 12,395,387,491.95 = 2,665,802,788.51 : x
  2. Step 2: Convert to fraction form
    8,261,970,683.21/12,395,387,491.95 = 2,665,802,788.51/x
  3. Step 3: Cross multiply
    8,261,970,683.21x = 12,395,387,491.95 × 2,665,802,788.51
  4. Step 4: Simplify right side
    8,261,970,683.21x = 33,043,658,540,729,065,472
  5. Step 5: Solve for x
    x = 33,043,658,540,729,065,472/8,261,970,683.21
  6. Step 6: Final answer
    x = 3,999,488,718.58

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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.