Home / 864,821,503.37-1,297,453,467.37-251,405,729.12

Finding the Fourth Proportional to 864,821,503.37, 1,297,453,467.37 and 251,405,729.12

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Solution

The fourth proportional to 864,821,503.37, 1,297,453,467.37 and 251,405,729.12 is: 377,172,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,821,503.37 : 1,297,453,467.37 = 251,405,729.12 : x
  2. Step 2: Convert to fraction form
    864,821,503.37/1,297,453,467.37 = 251,405,729.12/x
  3. Step 3: Cross multiply
    864,821,503.37x = 1,297,453,467.37 × 251,405,729.12
  4. Step 4: Simplify right side
    864,821,503.37x = 326,187,234,955,682,688
  5. Step 5: Solve for x
    x = 326,187,234,955,682,688/864,821,503.37
  6. Step 6: Final answer
    x = 377,172,900.63

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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.