Home / 330,802,801.20-496,204,201.80-221,963,684.40

Finding the Fourth Proportional to 330,802,801.20, 496,204,201.80 and 221,963,684.40

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Solution

The fourth proportional to 330,802,801.20, 496,204,201.80 and 221,963,684.40 is: 332,945,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,802,801.20 : 496,204,201.80 = 221,963,684.40 : x
  2. Step 2: Convert to fraction form
    330,802,801.20/496,204,201.80 = 221,963,684.40/x
  3. Step 3: Cross multiply
    330,802,801.20x = 496,204,201.80 × 221,963,684.40
  4. Step 4: Simplify right side
    330,802,801.20x = 110,139,312,846,289,120
  5. Step 5: Solve for x
    x = 110,139,312,846,289,120/330,802,801.20
  6. Step 6: Final answer
    x = 332,945,526.60

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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.