Home / 1,945,105,400.52-2,912,954,349.38-1,113,536,915.73

Finding the Fourth Proportional to 1,945,105,400.52, 2,912,954,349.38 and 1,113,536,915.73

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Solution

The fourth proportional to 1,945,105,400.52, 2,912,954,349.38 and 1,113,536,915.73 is: 1,667,612,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,105,400.52 : 2,912,954,349.38 = 1,113,536,915.73 : x
  2. Step 2: Convert to fraction form
    1,945,105,400.52/2,912,954,349.38 = 1,113,536,915.73/x
  3. Step 3: Cross multiply
    1,945,105,400.52x = 2,912,954,349.38 × 1,113,536,915.73
  4. Step 4: Simplify right side
    1,945,105,400.52x = 3,243,682,201,865,326,592
  5. Step 5: Solve for x
    x = 3,243,682,201,865,326,592/1,945,105,400.52
  6. Step 6: Final answer
    x = 1,667,612,562.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.