Home / 1,388,321,754.93-2,082,494,835.90-353,183,730.75

Finding the Fourth Proportional to 1,388,321,754.93, 2,082,494,835.90 and 353,183,730.75

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Solution

The fourth proportional to 1,388,321,754.93, 2,082,494,835.90 and 353,183,730.75 is: 529,778,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,321,754.93 : 2,082,494,835.90 = 353,183,730.75 : x
  2. Step 2: Convert to fraction form
    1,388,321,754.93/2,082,494,835.90 = 353,183,730.75/x
  3. Step 3: Cross multiply
    1,388,321,754.93x = 2,082,494,835.90 × 353,183,730.75
  4. Step 4: Simplify right side
    1,388,321,754.93x = 735,503,295,410,771,072
  5. Step 5: Solve for x
    x = 735,503,295,410,771,072/1,388,321,754.93
  6. Step 6: Final answer
    x = 529,778,700.65

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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.