Home / 1,262,136,002.40-1,893,204,003.60-854,449,653.60

Finding the Fourth Proportional to 1,262,136,002.40, 1,893,204,003.60 and 854,449,653.60

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Solution

The fourth proportional to 1,262,136,002.40, 1,893,204,003.60 and 854,449,653.60 is: 1,281,674,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,136,002.40 : 1,893,204,003.60 = 854,449,653.60 : x
  2. Step 2: Convert to fraction form
    1,262,136,002.40/1,893,204,003.60 = 854,449,653.60/x
  3. Step 3: Cross multiply
    1,262,136,002.40x = 1,893,204,003.60 × 854,449,653.60
  4. Step 4: Simplify right side
    1,262,136,002.40x = 1,617,647,505,070,153,216
  5. Step 5: Solve for x
    x = 1,617,647,505,070,153,216/1,262,136,002.40
  6. Step 6: Final answer
    x = 1,281,674,480.40

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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.