Home / 455,144,648.20-628,099,615.31-246,300,790.85

Finding the Fourth Proportional to 455,144,648.20, 628,099,615.31 and 246,300,790.85

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Solution

The fourth proportional to 455,144,648.20, 628,099,615.31 and 246,300,790.85 is: 339,895,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,144,648.20 : 628,099,615.31 = 246,300,790.85 : x
  2. Step 2: Convert to fraction form
    455,144,648.20/628,099,615.31 = 246,300,790.85/x
  3. Step 3: Cross multiply
    455,144,648.20x = 628,099,615.31 × 246,300,790.85
  4. Step 4: Simplify right side
    455,144,648.20x = 154,701,431,983,433,760
  5. Step 5: Solve for x
    x = 154,701,431,983,433,760/455,144,648.20
  6. Step 6: Final answer
    x = 339,895,091.80

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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.