Home / 366,984,134.60-550,476,201.90-221,865,312.20

Finding the Fourth Proportional to 366,984,134.60, 550,476,201.90 and 221,865,312.20

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Solution

The fourth proportional to 366,984,134.60, 550,476,201.90 and 221,865,312.20 is: 332,797,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,984,134.60 : 550,476,201.90 = 221,865,312.20 : x
  2. Step 2: Convert to fraction form
    366,984,134.60/550,476,201.90 = 221,865,312.20/x
  3. Step 3: Cross multiply
    366,984,134.60x = 550,476,201.90 × 221,865,312.20
  4. Step 4: Simplify right side
    366,984,134.60x = 122,131,574,393,213,728
  5. Step 5: Solve for x
    x = 122,131,574,393,213,728/366,984,134.60
  6. Step 6: Final answer
    x = 332,797,968.30

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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.