Home / 439,250,155.22-605,613,682.73-321,571,182.60

Finding the Fourth Proportional to 439,250,155.22, 605,613,682.73 and 321,571,182.60

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Solution

The fourth proportional to 439,250,155.22, 605,613,682.73 and 321,571,182.60 is: 443,364,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,250,155.22 : 605,613,682.73 = 321,571,182.60 : x
  2. Step 2: Convert to fraction form
    439,250,155.22/605,613,682.73 = 321,571,182.60/x
  3. Step 3: Cross multiply
    439,250,155.22x = 605,613,682.73 × 321,571,182.60
  4. Step 4: Simplify right side
    439,250,155.22x = 194,747,908,155,031,232
  5. Step 5: Solve for x
    x = 194,747,908,155,031,232/439,250,155.22
  6. Step 6: Final answer
    x = 443,364,460.64

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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.