Home / 589,797,228.06-813,939,723.36-321,887,729.79

Finding the Fourth Proportional to 589,797,228.06, 813,939,723.36 and 321,887,729.79

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Solution

The fourth proportional to 589,797,228.06, 813,939,723.36 and 321,887,729.79 is: 444,215,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,797,228.06 : 813,939,723.36 = 321,887,729.79 : x
  2. Step 2: Convert to fraction form
    589,797,228.06/813,939,723.36 = 321,887,729.79/x
  3. Step 3: Cross multiply
    589,797,228.06x = 813,939,723.36 × 321,887,729.79
  4. Step 4: Simplify right side
    589,797,228.06x = 261,997,209,738,251,040
  5. Step 5: Solve for x
    x = 261,997,209,738,251,040/589,797,228.06
  6. Step 6: Final answer
    x = 444,215,735.97

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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.