Home / 874,425,100.89-1,311,867,707.13-314,243,522.54

Finding the Fourth Proportional to 874,425,100.89, 1,311,867,707.13 and 314,243,522.54

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Solution

The fourth proportional to 874,425,100.89, 1,311,867,707.13 and 314,243,522.54 is: 471,447,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,425,100.89 : 1,311,867,707.13 = 314,243,522.54 : x
  2. Step 2: Convert to fraction form
    874,425,100.89/1,311,867,707.13 = 314,243,522.54/x
  3. Step 3: Cross multiply
    874,425,100.89x = 1,311,867,707.13 × 314,243,522.54
  4. Step 4: Simplify right side
    874,425,100.89x = 412,245,929,388,444,992
  5. Step 5: Solve for x
    x = 412,245,929,388,444,992/874,425,100.89
  6. Step 6: Final answer
    x = 471,447,959.32

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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.