Home / 681,856,290.28-1,022,803,491.48-221,794,461.42

Finding the Fourth Proportional to 681,856,290.28, 1,022,803,491.48 and 221,794,461.42

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Solution

The fourth proportional to 681,856,290.28, 1,022,803,491.48 and 221,794,461.42 is: 332,697,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,856,290.28 : 1,022,803,491.48 = 221,794,461.42 : x
  2. Step 2: Convert to fraction form
    681,856,290.28/1,022,803,491.48 = 221,794,461.42/x
  3. Step 3: Cross multiply
    681,856,290.28x = 1,022,803,491.48 × 221,794,461.42
  4. Step 4: Simplify right side
    681,856,290.28x = 226,852,149,531,302,144
  5. Step 5: Solve for x
    x = 226,852,149,531,302,144/681,856,290.28
  6. Step 6: Final answer
    x = 332,697,890.69

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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.