Home / 366,984,019.60-550,476,029.40-221,865,197.20

Finding the Fourth Proportional to 366,984,019.60, 550,476,029.40 and 221,865,197.20

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Solution

The fourth proportional to 366,984,019.60, 550,476,029.40 and 221,865,197.20 is: 332,797,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,984,019.60 : 550,476,029.40 = 221,865,197.20 : x
  2. Step 2: Convert to fraction form
    366,984,019.60/550,476,029.40 = 221,865,197.20/x
  3. Step 3: Cross multiply
    366,984,019.60x = 550,476,029.40 × 221,865,197.20
  4. Step 4: Simplify right side
    366,984,019.60x = 122,131,472,816,703,984
  5. Step 5: Solve for x
    x = 122,131,472,816,703,984/366,984,019.60
  6. Step 6: Final answer
    x = 332,797,795.80

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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.