Home / 8,861,309,467.89-12,228,643,908.95-4,792,211,173.61

Finding the Fourth Proportional to 8,861,309,467.89, 12,228,643,908.95 and 4,792,211,173.61

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Solution

The fourth proportional to 8,861,309,467.89, 12,228,643,908.95 and 4,792,211,173.61 is: 6,613,271,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861,309,467.89 : 12,228,643,908.95 = 4,792,211,173.61 : x
  2. Step 2: Convert to fraction form
    8,861,309,467.89/12,228,643,908.95 = 4,792,211,173.61/x
  3. Step 3: Cross multiply
    8,861,309,467.89x = 12,228,643,908.95 × 4,792,211,173.61
  4. Step 4: Simplify right side
    8,861,309,467.89x = 58,602,243,978,608,214,016
  5. Step 5: Solve for x
    x = 58,602,243,978,608,214,016/8,861,309,467.89
  6. Step 6: Final answer
    x = 6,613,271,344.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.