Home / 455,350,629.15-628,384,078.35-246,506,771.73

Finding the Fourth Proportional to 455,350,629.15, 628,384,078.35 and 246,506,771.73

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Solution

The fourth proportional to 455,350,629.15, 628,384,078.35 and 246,506,771.73 is: 340,179,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,350,629.15 : 628,384,078.35 = 246,506,771.73 : x
  2. Step 2: Convert to fraction form
    455,350,629.15/628,384,078.35 = 246,506,771.73/x
  3. Step 3: Cross multiply
    455,350,629.15x = 628,384,078.35 × 246,506,771.73
  4. Step 4: Simplify right side
    455,350,629.15x = 154,900,930,560,589,888
  5. Step 5: Solve for x
    x = 154,900,930,560,589,888/455,350,629.15
  6. Step 6: Final answer
    x = 340,179,458.74

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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.