Home / 2,080,519,178.82-3,120,301,213.08-1,240,399,640.67

Finding the Fourth Proportional to 2,080,519,178.82, 3,120,301,213.08 and 1,240,399,640.67

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Solution

The fourth proportional to 2,080,519,178.82, 3,120,301,213.08 and 1,240,399,640.67 is: 1,860,314,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,519,178.82 : 3,120,301,213.08 = 1,240,399,640.67 : x
  2. Step 2: Convert to fraction form
    2,080,519,178.82/3,120,301,213.08 = 1,240,399,640.67/x
  3. Step 3: Cross multiply
    2,080,519,178.82x = 3,120,301,213.08 × 1,240,399,640.67
  4. Step 4: Simplify right side
    2,080,519,178.82x = 3,870,420,503,486,597,120
  5. Step 5: Solve for x
    x = 3,870,420,503,486,597,120/2,080,519,178.82
  6. Step 6: Final answer
    x = 1,860,314,743.98

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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.