Home / 919,458,000.80-1,379,183,372.40-273,225,744.80

Finding the Fourth Proportional to 919,458,000.80, 1,379,183,372.40 and 273,225,744.80

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Solution

The fourth proportional to 919,458,000.80, 1,379,183,372.40 and 273,225,744.80 is: 409,837,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,458,000.80 : 1,379,183,372.40 = 273,225,744.80 : x
  2. Step 2: Convert to fraction form
    919,458,000.80/1,379,183,372.40 = 273,225,744.80/x
  3. Step 3: Cross multiply
    919,458,000.80x = 1,379,183,372.40 × 273,225,744.80
  4. Step 4: Simplify right side
    919,458,000.80x = 376,828,404,139,765,824
  5. Step 5: Solve for x
    x = 376,828,404,139,765,824/919,458,000.80
  6. Step 6: Final answer
    x = 409,837,538.87

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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.