Home / 1,015,782,586.75-1,523,308,257.46-351,616,143.43

Finding the Fourth Proportional to 1,015,782,586.75, 1,523,308,257.46 and 351,616,143.43

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Solution

The fourth proportional to 1,015,782,586.75, 1,523,308,257.46 and 351,616,143.43 is: 527,297,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,782,586.75 : 1,523,308,257.46 = 351,616,143.43 : x
  2. Step 2: Convert to fraction form
    1,015,782,586.75/1,523,308,257.46 = 351,616,143.43/x
  3. Step 3: Cross multiply
    1,015,782,586.75x = 1,523,308,257.46 × 351,616,143.43
  4. Step 4: Simplify right side
    1,015,782,586.75x = 535,619,774,743,158,720
  5. Step 5: Solve for x
    x = 535,619,774,743,158,720/1,015,782,586.75
  6. Step 6: Final answer
    x = 527,297,653.78

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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.