Home / 464,256,362-640,673,766.60-255,408,009.68

Finding the Fourth Proportional to 464,256,362, 640,673,766.60 and 255,408,009.68

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Solution

The fourth proportional to 464,256,362, 640,673,766.60 and 255,408,009.68 is: 352,463,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,256,362 : 640,673,766.60 = 255,408,009.68 : x
  2. Step 2: Convert to fraction form
    464,256,362/640,673,766.60 = 255,408,009.68/x
  3. Step 3: Cross multiply
    464,256,362x = 640,673,766.60 × 255,408,009.68
  4. Step 4: Simplify right side
    464,256,362x = 163,633,211,581,494,880
  5. Step 5: Solve for x
    x = 163,633,211,581,494,880/464,256,362
  6. Step 6: Final answer
    x = 352,463,046.23

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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.