Home / 578,499,867.12-798,379,052.21-327,648,883.33

Finding the Fourth Proportional to 578,499,867.12, 798,379,052.21 and 327,648,883.33

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Solution

The fourth proportional to 578,499,867.12, 798,379,052.21 and 327,648,883.33 is: 452,183,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,499,867.12 : 798,379,052.21 = 327,648,883.33 : x
  2. Step 2: Convert to fraction form
    578,499,867.12/798,379,052.21 = 327,648,883.33/x
  3. Step 3: Cross multiply
    578,499,867.12x = 798,379,052.21 × 327,648,883.33
  4. Step 4: Simplify right side
    578,499,867.12x = 261,588,004,930,670,272
  5. Step 5: Solve for x
    x = 261,588,004,930,670,272/578,499,867.12
  6. Step 6: Final answer
    x = 452,183,344.89

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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.