Home / 1,230,599,872.52-1,698,227,906.92-673,682,919.58

Finding the Fourth Proportional to 1,230,599,872.52, 1,698,227,906.92 and 673,682,919.58

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Solution

The fourth proportional to 1,230,599,872.52, 1,698,227,906.92 and 673,682,919.58 is: 929,682,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,599,872.52 : 1,698,227,906.92 = 673,682,919.58 : x
  2. Step 2: Convert to fraction form
    1,230,599,872.52/1,698,227,906.92 = 673,682,919.58/x
  3. Step 3: Cross multiply
    1,230,599,872.52x = 1,698,227,906.92 × 673,682,919.58
  4. Step 4: Simplify right side
    1,230,599,872.52x = 1,144,067,134,440,168,320
  5. Step 5: Solve for x
    x = 1,144,067,134,440,168,320/1,230,599,872.52
  6. Step 6: Final answer
    x = 929,682,474.37

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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.