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Finding the Fourth Proportional to 27,938,990,559.30, 41,908,485,838.95 and 27,938,990,559.30

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Solution

The fourth proportional to 27,938,990,559.30, 41,908,485,838.95 and 27,938,990,559.30 is: 41,908,485,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938,990,559.30 : 41,908,485,838.95 = 27,938,990,559.30 : x
  2. Step 2: Convert to fraction form
    27,938,990,559.30/41,908,485,838.95 = 27,938,990,559.30/x
  3. Step 3: Cross multiply
    27,938,990,559.30x = 41,908,485,838.95 × 27,938,990,559.30
  4. Step 4: Simplify right side
    27,938,990,559.30x = 1,170,880,790,208,981,630,976
  5. Step 5: Solve for x
    x = 1,170,880,790,208,981,630,976/27,938,990,559.30
  6. Step 6: Final answer
    x = 41,908,485,838.95

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Double scale
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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.