Home / 275,184,495.20-412,776,742.80-254,139,431.60

Finding the Fourth Proportional to 275,184,495.20, 412,776,742.80 and 254,139,431.60

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Solution

The fourth proportional to 275,184,495.20, 412,776,742.80 and 254,139,431.60 is: 381,209,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,184,495.20 : 412,776,742.80 = 254,139,431.60 : x
  2. Step 2: Convert to fraction form
    275,184,495.20/412,776,742.80 = 254,139,431.60/x
  3. Step 3: Cross multiply
    275,184,495.20x = 412,776,742.80 × 254,139,431.60
  4. Step 4: Simplify right side
    275,184,495.20x = 104,902,846,792,891,392
  5. Step 5: Solve for x
    x = 104,902,846,792,891,392/275,184,495.20
  6. Step 6: Final answer
    x = 381,209,147.40

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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.