Home / 921,205,194.44-1,383,033,638.48-484,812,334.24

Finding the Fourth Proportional to 921,205,194.44, 1,383,033,638.48 and 484,812,334.24

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Solution

The fourth proportional to 921,205,194.44, 1,383,033,638.48 and 484,812,334.24 is: 727,863,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,205,194.44 : 1,383,033,638.48 = 484,812,334.24 : x
  2. Step 2: Convert to fraction form
    921,205,194.44/1,383,033,638.48 = 484,812,334.24/x
  3. Step 3: Cross multiply
    921,205,194.44x = 1,383,033,638.48 × 484,812,334.24
  4. Step 4: Simplify right side
    921,205,194.44x = 670,511,766,603,929,088
  5. Step 5: Solve for x
    x = 670,511,766,603,929,088/921,205,194.44
  6. Step 6: Final answer
    x = 727,863,640.64

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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.