Home / 681,856,339.36-1,022,803,564.96-221,794,510.40

Finding the Fourth Proportional to 681,856,339.36, 1,022,803,564.96 and 221,794,510.40

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Solution

The fourth proportional to 681,856,339.36, 1,022,803,564.96 and 221,794,510.40 is: 332,697,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,856,339.36 : 1,022,803,564.96 = 221,794,510.40 : x
  2. Step 2: Convert to fraction form
    681,856,339.36/1,022,803,564.96 = 221,794,510.40/x
  3. Step 3: Cross multiply
    681,856,339.36x = 1,022,803,564.96 × 221,794,510.40
  4. Step 4: Simplify right side
    681,856,339.36x = 226,852,215,925,677,824
  5. Step 5: Solve for x
    x = 226,852,215,925,677,824/681,856,339.36
  6. Step 6: Final answer
    x = 332,697,964.12

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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.