Home / 8,172,481,485.19-12,258,722,390.01-1,961,646,771.82

Finding the Fourth Proportional to 8,172,481,485.19, 12,258,722,390.01 and 1,961,646,771.82

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Solution

The fourth proportional to 8,172,481,485.19, 12,258,722,390.01 and 1,961,646,771.82 is: 2,942,470,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,481,485.19 : 12,258,722,390.01 = 1,961,646,771.82 : x
  2. Step 2: Convert to fraction form
    8,172,481,485.19/12,258,722,390.01 = 1,961,646,771.82/x
  3. Step 3: Cross multiply
    8,172,481,485.19x = 12,258,722,390.01 × 1,961,646,771.82
  4. Step 4: Simplify right side
    8,172,481,485.19x = 24,047,283,203,000,672,256
  5. Step 5: Solve for x
    x = 24,047,283,203,000,672,256/8,172,481,485.19
  6. Step 6: Final answer
    x = 2,942,470,196.67

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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.