Home / 567,256,785.39-782,814,366.32-306,496,401.39

Finding the Fourth Proportional to 567,256,785.39, 782,814,366.32 and 306,496,401.39

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Solution

The fourth proportional to 567,256,785.39, 782,814,366.32 and 306,496,401.39 is: 422,965,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,256,785.39 : 782,814,366.32 = 306,496,401.39 : x
  2. Step 2: Convert to fraction form
    567,256,785.39/782,814,366.32 = 306,496,401.39/x
  3. Step 3: Cross multiply
    567,256,785.39x = 782,814,366.32 × 306,496,401.39
  4. Step 4: Simplify right side
    567,256,785.39x = 239,929,786,231,940,736
  5. Step 5: Solve for x
    x = 239,929,786,231,940,736/567,256,785.39
  6. Step 6: Final answer
    x = 422,965,035.26

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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.