Home / 621,158,737,489.21-931,831,269,129.15-218,171,179,071.55

Finding the Fourth Proportional to 621,158,737,489.21, 931,831,269,129.15 and 218,171,179,071.55

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Solution

The fourth proportional to 621,158,737,489.21, 931,831,269,129.15 and 218,171,179,071.55 is: 327,289,490,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,158,737,489.21 : 931,831,269,129.15 = 218,171,179,071.55 : x
  2. Step 2: Convert to fraction form
    621,158,737,489.21/931,831,269,129.15 = 218,171,179,071.55/x
  3. Step 3: Cross multiply
    621,158,737,489.21x = 931,831,269,129.15 × 218,171,179,071.55
  4. Step 4: Simplify right side
    621,158,737,489.21x = 203,298,726,681,645,464,682,496
  5. Step 5: Solve for x
    x = 203,298,726,681,645,464,682,496/621,158,737,489.21
  6. Step 6: Final answer
    x = 327,289,490,450.38

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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.