Home / 681,856,301.53-1,022,803,508.36-221,794,472.67

Finding the Fourth Proportional to 681,856,301.53, 1,022,803,508.36 and 221,794,472.67

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Solution

The fourth proportional to 681,856,301.53, 1,022,803,508.36 and 221,794,472.67 is: 332,697,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,856,301.53 : 1,022,803,508.36 = 221,794,472.67 : x
  2. Step 2: Convert to fraction form
    681,856,301.53/1,022,803,508.36 = 221,794,472.67/x
  3. Step 3: Cross multiply
    681,856,301.53x = 1,022,803,508.36 × 221,794,472.67
  4. Step 4: Simplify right side
    681,856,301.53x = 226,852,164,775,509,152
  5. Step 5: Solve for x
    x = 226,852,164,775,509,152/681,856,301.53
  6. Step 6: Final answer
    x = 332,697,907.56

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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.