Home / 2,214,524,823.84-3,321,985,640.40-640,607,408.64

Finding the Fourth Proportional to 2,214,524,823.84, 3,321,985,640.40 and 640,607,408.64

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Solution

The fourth proportional to 2,214,524,823.84, 3,321,985,640.40 and 640,607,408.64 is: 960,968,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,524,823.84 : 3,321,985,640.40 = 640,607,408.64 : x
  2. Step 2: Convert to fraction form
    2,214,524,823.84/3,321,985,640.40 = 640,607,408.64/x
  3. Step 3: Cross multiply
    2,214,524,823.84x = 3,321,985,640.40 × 640,607,408.64
  4. Step 4: Simplify right side
    2,214,524,823.84x = 2,128,088,612,635,934,976
  5. Step 5: Solve for x
    x = 2,128,088,612,635,934,976/2,214,524,823.84
  6. Step 6: Final answer
    x = 960,968,506.53

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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.