Home / 321,446,397,133.44-482,170,859,195.64-130,222,046,949.12

Finding the Fourth Proportional to 321,446,397,133.44, 482,170,859,195.64 and 130,222,046,949.12

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Solution

The fourth proportional to 321,446,397,133.44, 482,170,859,195.64 and 130,222,046,949.12 is: 195,333,582,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,446,397,133.44 : 482,170,859,195.64 = 130,222,046,949.12 : x
  2. Step 2: Convert to fraction form
    321,446,397,133.44/482,170,859,195.64 = 130,222,046,949.12/x
  3. Step 3: Cross multiply
    321,446,397,133.44x = 482,170,859,195.64 × 130,222,046,949.12
  4. Step 4: Simplify right side
    321,446,397,133.44x = 62,789,276,263,672,161,763,328
  5. Step 5: Solve for x
    x = 62,789,276,263,672,161,763,328/321,446,397,133.44
  6. Step 6: Final answer
    x = 195,333,582,281.86

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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.