Home / 919,458,081.30-1,379,183,493.15-273,225,825.30

Finding the Fourth Proportional to 919,458,081.30, 1,379,183,493.15 and 273,225,825.30

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Solution

The fourth proportional to 919,458,081.30, 1,379,183,493.15 and 273,225,825.30 is: 409,837,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,458,081.30 : 1,379,183,493.15 = 273,225,825.30 : x
  2. Step 2: Convert to fraction form
    919,458,081.30/1,379,183,493.15 = 273,225,825.30/x
  3. Step 3: Cross multiply
    919,458,081.30x = 1,379,183,493.15 × 273,225,825.30
  4. Step 4: Simplify right side
    919,458,081.30x = 376,828,548,156,045,696
  5. Step 5: Solve for x
    x = 376,828,548,156,045,696/919,458,081.30
  6. Step 6: Final answer
    x = 409,837,659.62

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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.