Home / 18,588,180,707.98-27,890,504,855.12-9,742,917,447.78

Finding the Fourth Proportional to 18,588,180,707.98, 27,890,504,855.12 and 9,742,917,447.78

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Solution

The fourth proportional to 18,588,180,707.98, 27,890,504,855.12 and 9,742,917,447.78 is: 14,618,691,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,180,707.98 : 27,890,504,855.12 = 9,742,917,447.78 : x
  2. Step 2: Convert to fraction form
    18,588,180,707.98/27,890,504,855.12 = 9,742,917,447.78/x
  3. Step 3: Cross multiply
    18,588,180,707.98x = 27,890,504,855.12 × 9,742,917,447.78
  4. Step 4: Simplify right side
    18,588,180,707.98x = 271,734,886,380,341,460,992
  5. Step 5: Solve for x
    x = 271,734,886,380,341,460,992/18,588,180,707.98
  6. Step 6: Final answer
    x = 14,618,691,880.03

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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.