Home / 621,158,737,492.10-931,831,269,133.50-218,171,179,074.46

Finding the Fourth Proportional to 621,158,737,492.10, 931,831,269,133.50 and 218,171,179,074.46

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Solution

The fourth proportional to 621,158,737,492.10, 931,831,269,133.50 and 218,171,179,074.46 is: 327,289,490,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,158,737,492.10 : 931,831,269,133.50 = 218,171,179,074.46 : x
  2. Step 2: Convert to fraction form
    621,158,737,492.10/931,831,269,133.50 = 218,171,179,074.46/x
  3. Step 3: Cross multiply
    621,158,737,492.10x = 931,831,269,133.50 × 218,171,179,074.46
  4. Step 4: Simplify right side
    621,158,737,492.10x = 203,298,726,685,306,152,550,400
  5. Step 5: Solve for x
    x = 203,298,726,685,306,152,550,400/621,158,737,492.10
  6. Step 6: Final answer
    x = 327,289,490,454.75

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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.