Home / 18,361,538,889.70-27,542,215,884.58-7,170,549,470.80

Finding the Fourth Proportional to 18,361,538,889.70, 27,542,215,884.58 and 7,170,549,470.80

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Solution

The fourth proportional to 18,361,538,889.70, 27,542,215,884.58 and 7,170,549,470.80 is: 10,755,788,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,538,889.70 : 27,542,215,884.58 = 7,170,549,470.80 : x
  2. Step 2: Convert to fraction form
    18,361,538,889.70/27,542,215,884.58 = 7,170,549,470.80/x
  3. Step 3: Cross multiply
    18,361,538,889.70x = 27,542,215,884.58 × 7,170,549,470.80
  4. Step 4: Simplify right side
    18,361,538,889.70x = 197,492,821,535,696,781,312
  5. Step 5: Solve for x
    x = 197,492,821,535,696,781,312/18,361,538,889.70
  6. Step 6: Final answer
    x = 10,755,788,102.63

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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.