Home / 18,865,211,313.92-28,287,198,629.04-6,267,325,348.76

Finding the Fourth Proportional to 18,865,211,313.92, 28,287,198,629.04 and 6,267,325,348.76

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Solution

The fourth proportional to 18,865,211,313.92, 28,287,198,629.04 and 6,267,325,348.76 is: 9,397,460,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,211,313.92 : 28,287,198,629.04 = 6,267,325,348.76 : x
  2. Step 2: Convert to fraction form
    18,865,211,313.92/28,287,198,629.04 = 6,267,325,348.76/x
  3. Step 3: Cross multiply
    18,865,211,313.92x = 28,287,198,629.04 × 6,267,325,348.76
  4. Step 4: Simplify right side
    18,865,211,313.92x = 177,285,077,013,191,524,352
  5. Step 5: Solve for x
    x = 177,285,077,013,191,524,352/18,865,211,313.92
  6. Step 6: Final answer
    x = 9,397,460,439.91

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1.5x scale

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.