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Finding the Fourth Proportional to 3,512,334,185.22, 5,268,810,959.00 and 991,284,873.95

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Solution

The fourth proportional to 3,512,334,185.22, 5,268,810,959.00 and 991,284,873.95 is: 1,487,014,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,334,185.22 : 5,268,810,959.00 = 991,284,873.95 : x
  2. Step 2: Convert to fraction form
    3,512,334,185.22/5,268,810,959.00 = 991,284,873.95/x
  3. Step 3: Cross multiply
    3,512,334,185.22x = 5,268,810,959.00 × 991,284,873.95
  4. Step 4: Simplify right side
    3,512,334,185.22x = 5,222,892,607,327,393,792
  5. Step 5: Solve for x
    x = 5,222,892,607,327,393,792/3,512,334,185.22
  6. Step 6: Final answer
    x = 1,487,014,712.13

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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.