Home / 371,586,105.22-512,803,600.65-204,336,078.48

Finding the Fourth Proportional to 371,586,105.22, 512,803,600.65 and 204,336,078.48

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Solution

The fourth proportional to 371,586,105.22, 512,803,600.65 and 204,336,078.48 is: 281,991,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,586,105.22 : 512,803,600.65 = 204,336,078.48 : x
  2. Step 2: Convert to fraction form
    371,586,105.22/512,803,600.65 = 204,336,078.48/x
  3. Step 3: Cross multiply
    371,586,105.22x = 512,803,600.65 × 204,336,078.48
  4. Step 4: Simplify right side
    371,586,105.22x = 104,784,276,787,244,976
  5. Step 5: Solve for x
    x = 104,784,276,787,244,976/371,586,105.22
  6. Step 6: Final answer
    x = 281,991,913.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.