Home / 256,808,362.26-384,985,792.78-196,493,351.70

Finding the Fourth Proportional to 256,808,362.26, 384,985,792.78 and 196,493,351.70

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Solution

The fourth proportional to 256,808,362.26, 384,985,792.78 and 196,493,351.70 is: 294,566,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,808,362.26 : 384,985,792.78 = 196,493,351.70 : x
  2. Step 2: Convert to fraction form
    256,808,362.26/384,985,792.78 = 196,493,351.70/x
  3. Step 3: Cross multiply
    256,808,362.26x = 384,985,792.78 × 196,493,351.70
  4. Step 4: Simplify right side
    256,808,362.26x = 75,647,148,780,223,856
  5. Step 5: Solve for x
    x = 75,647,148,780,223,856/256,808,362.26
  6. Step 6: Final answer
    x = 294,566,532.47

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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.