Home / 2,151,431,881.19-2,968,897,611.42-1,198,763,396.27

Finding the Fourth Proportional to 2,151,431,881.19, 2,968,897,611.42 and 1,198,763,396.27

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Solution

The fourth proportional to 2,151,431,881.19, 2,968,897,611.42 and 1,198,763,396.27 is: 1,654,249,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,431,881.19 : 2,968,897,611.42 = 1,198,763,396.27 : x
  2. Step 2: Convert to fraction form
    2,151,431,881.19/2,968,897,611.42 = 1,198,763,396.27/x
  3. Step 3: Cross multiply
    2,151,431,881.19x = 2,968,897,611.42 × 1,198,763,396.27
  4. Step 4: Simplify right side
    2,151,431,881.19x = 3,559,005,783,843,729,920
  5. Step 5: Solve for x
    x = 3,559,005,783,843,729,920/2,151,431,881.19
  6. Step 6: Final answer
    x = 1,654,249,811.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.