Home / 20,280,197,611.92-30,398,826,081.06-6,821,669,298.18

Finding the Fourth Proportional to 20,280,197,611.92, 30,398,826,081.06 and 6,821,669,298.18

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Solution

The fourth proportional to 20,280,197,611.92, 30,398,826,081.06 and 6,821,669,298.18 is: 10,225,281,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,197,611.92 : 30,398,826,081.06 = 6,821,669,298.18 : x
  2. Step 2: Convert to fraction form
    20,280,197,611.92/30,398,826,081.06 = 6,821,669,298.18/x
  3. Step 3: Cross multiply
    20,280,197,611.92x = 30,398,826,081.06 × 6,821,669,298.18
  4. Step 4: Simplify right side
    20,280,197,611.92x = 207,370,738,577,880,481,792
  5. Step 5: Solve for x
    x = 207,370,738,577,880,481,792/20,280,197,611.92
  6. Step 6: Final answer
    x = 10,225,281,949.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.