Home / 2,761,490,079.28-3,810,856,163.64-1,491,330,940.67

Finding the Fourth Proportional to 2,761,490,079.28, 3,810,856,163.64 and 1,491,330,940.67

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Solution

The fourth proportional to 2,761,490,079.28, 3,810,856,163.64 and 1,491,330,940.67 is: 2,058,036,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,490,079.28 : 3,810,856,163.64 = 1,491,330,940.67 : x
  2. Step 2: Convert to fraction form
    2,761,490,079.28/3,810,856,163.64 = 1,491,330,940.67/x
  3. Step 3: Cross multiply
    2,761,490,079.28x = 3,810,856,163.64 × 1,491,330,940.67
  4. Step 4: Simplify right side
    2,761,490,079.28x = 5,683,247,707,279,308,800
  5. Step 5: Solve for x
    x = 5,683,247,707,279,308,800/2,761,490,079.28
  6. Step 6: Final answer
    x = 2,058,036,619.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.