Home / 439,250,168.75-605,613,701.34-321,571,196.10

Finding the Fourth Proportional to 439,250,168.75, 605,613,701.34 and 321,571,196.10

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Solution

The fourth proportional to 439,250,168.75, 605,613,701.34 and 321,571,196.10 is: 443,364,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,250,168.75 : 605,613,701.34 = 321,571,196.10 : x
  2. Step 2: Convert to fraction form
    439,250,168.75/605,613,701.34 = 321,571,196.10/x
  3. Step 3: Cross multiply
    439,250,168.75x = 605,613,701.34 × 321,571,196.10
  4. Step 4: Simplify right side
    439,250,168.75x = 194,747,922,314,452,000
  5. Step 5: Solve for x
    x = 194,747,922,314,452,000/439,250,168.75
  6. Step 6: Final answer
    x = 443,364,479.22

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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.