Home / 621,158,737,586.40-931,831,269,275-218,171,179,168.80

Finding the Fourth Proportional to 621,158,737,586.40, 931,831,269,275 and 218,171,179,168.80

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Solution

The fourth proportional to 621,158,737,586.40, 931,831,269,275 and 218,171,179,168.80 is: 327,289,490,596.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,158,737,586.40 : 931,831,269,275 = 218,171,179,168.80 : x
  2. Step 2: Convert to fraction form
    621,158,737,586.40/931,831,269,275 = 218,171,179,168.80/x
  3. Step 3: Cross multiply
    621,158,737,586.40x = 931,831,269,275 × 218,171,179,168.80
  4. Step 4: Simplify right side
    621,158,737,586.40x = 203,298,726,804,086,325,248,000
  5. Step 5: Solve for x
    x = 203,298,726,804,086,325,248,000/621,158,737,586.40
  6. Step 6: Final answer
    x = 327,289,490,596.29

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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.