Home / 340,991,511.88-470,254,280.34-223,474,027.72

Finding the Fourth Proportional to 340,991,511.88, 470,254,280.34 and 223,474,027.72

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Solution

The fourth proportional to 340,991,511.88, 470,254,280.34 and 223,474,027.72 is: 308,188,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,991,511.88 : 470,254,280.34 = 223,474,027.72 : x
  2. Step 2: Convert to fraction form
    340,991,511.88/470,254,280.34 = 223,474,027.72/x
  3. Step 3: Cross multiply
    340,991,511.88x = 470,254,280.34 × 223,474,027.72
  4. Step 4: Simplify right side
    340,991,511.88x = 105,089,618,080,149,808
  5. Step 5: Solve for x
    x = 105,089,618,080,149,808/340,991,511.88
  6. Step 6: Final answer
    x = 308,188,369.56

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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.