Home / 366,984,109.60-550,476,164.40-221,865,287.20

Finding the Fourth Proportional to 366,984,109.60, 550,476,164.40 and 221,865,287.20

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Solution

The fourth proportional to 366,984,109.60, 550,476,164.40 and 221,865,287.20 is: 332,797,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,984,109.60 : 550,476,164.40 = 221,865,287.20 : x
  2. Step 2: Convert to fraction form
    366,984,109.60/550,476,164.40 = 221,865,287.20/x
  3. Step 3: Cross multiply
    366,984,109.60x = 550,476,164.40 × 221,865,287.20
  4. Step 4: Simplify right side
    366,984,109.60x = 122,131,552,311,360,400
  5. Step 5: Solve for x
    x = 122,131,552,311,360,400/366,984,109.60
  6. Step 6: Final answer
    x = 332,797,930.80

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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.