Home / 340,991,503.88-470,254,269.30-223,474,019.72

Finding the Fourth Proportional to 340,991,503.88, 470,254,269.30 and 223,474,019.72

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Solution

The fourth proportional to 340,991,503.88, 470,254,269.30 and 223,474,019.72 is: 308,188,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,991,503.88 : 470,254,269.30 = 223,474,019.72 : x
  2. Step 2: Convert to fraction form
    340,991,503.88/470,254,269.30 = 223,474,019.72/x
  3. Step 3: Cross multiply
    340,991,503.88x = 470,254,269.30 × 223,474,019.72
  4. Step 4: Simplify right side
    340,991,503.88x = 105,089,611,850,962,400
  5. Step 5: Solve for x
    x = 105,089,611,850,962,400/340,991,503.88
  6. Step 6: Final answer
    x = 308,188,358.52

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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.