Home / 447,314,012.56-617,287,451.34-246,367,028.20

Finding the Fourth Proportional to 447,314,012.56, 617,287,451.34 and 246,367,028.20

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Solution

The fourth proportional to 447,314,012.56, 617,287,451.34 and 246,367,028.20 is: 339,983,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,314,012.56 : 617,287,451.34 = 246,367,028.20 : x
  2. Step 2: Convert to fraction form
    447,314,012.56/617,287,451.34 = 246,367,028.20/x
  3. Step 3: Cross multiply
    447,314,012.56x = 617,287,451.34 × 246,367,028.20
  4. Step 4: Simplify right side
    447,314,012.56x = 152,079,274,931,787,904
  5. Step 5: Solve for x
    x = 152,079,274,931,787,904/447,314,012.56
  6. Step 6: Final answer
    x = 339,983,257.09

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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.