Home / 366,980,696.40-550,471,044.60-203,722,021.20

Finding the Fourth Proportional to 366,980,696.40, 550,471,044.60 and 203,722,021.20

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Solution

The fourth proportional to 366,980,696.40, 550,471,044.60 and 203,722,021.20 is: 305,583,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980,696.40 : 550,471,044.60 = 203,722,021.20 : x
  2. Step 2: Convert to fraction form
    366,980,696.40/550,471,044.60 = 203,722,021.20/x
  3. Step 3: Cross multiply
    366,980,696.40x = 550,471,044.60 × 203,722,021.20
  4. Step 4: Simplify right side
    366,980,696.40x = 112,143,073,817,987,344
  5. Step 5: Solve for x
    x = 112,143,073,817,987,344/366,980,696.40
  6. Step 6: Final answer
    x = 305,583,031.80

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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.