Home / 427,354,920.57-589,768,222.07-236,615,936.41

Finding the Fourth Proportional to 427,354,920.57, 589,768,222.07 and 236,615,936.41

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Solution

The fourth proportional to 427,354,920.57, 589,768,222.07 and 236,615,936.41 is: 326,540,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,354,920.57 : 589,768,222.07 = 236,615,936.41 : x
  2. Step 2: Convert to fraction form
    427,354,920.57/589,768,222.07 = 236,615,936.41/x
  3. Step 3: Cross multiply
    427,354,920.57x = 589,768,222.07 × 236,615,936.41
  4. Step 4: Simplify right side
    427,354,920.57x = 139,548,560,127,296,384
  5. Step 5: Solve for x
    x = 139,548,560,127,296,384/427,354,920.57
  6. Step 6: Final answer
    x = 326,540,197.41

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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.