Home / 644,945,351.90-967,258,581.63-276,438,513.50

Finding the Fourth Proportional to 644,945,351.90, 967,258,581.63 and 276,438,513.50

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Solution

The fourth proportional to 644,945,351.90, 967,258,581.63 and 276,438,513.50 is: 414,589,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,945,351.90 : 967,258,581.63 = 276,438,513.50 : x
  2. Step 2: Convert to fraction form
    644,945,351.90/967,258,581.63 = 276,438,513.50/x
  3. Step 3: Cross multiply
    644,945,351.90x = 967,258,581.63 × 276,438,513.50
  4. Step 4: Simplify right side
    644,945,351.90x = 267,387,524,475,915,616
  5. Step 5: Solve for x
    x = 267,387,524,475,915,616/644,945,351.90
  6. Step 6: Final answer
    x = 414,589,427.91

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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.