Home / 490,899,903.56-677,456,173.44-267,895,949.22

Finding the Fourth Proportional to 490,899,903.56, 677,456,173.44 and 267,895,949.22

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Solution

The fourth proportional to 490,899,903.56, 677,456,173.44 and 267,895,949.22 is: 369,704,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,899,903.56 : 677,456,173.44 = 267,895,949.22 : x
  2. Step 2: Convert to fraction form
    490,899,903.56/677,456,173.44 = 267,895,949.22/x
  3. Step 3: Cross multiply
    490,899,903.56x = 677,456,173.44 × 267,895,949.22
  4. Step 4: Simplify right side
    490,899,903.56x = 181,487,764,639,925,248
  5. Step 5: Solve for x
    x = 181,487,764,639,925,248/490,899,903.56
  6. Step 6: Final answer
    x = 369,704,217.34

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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.