Home / 275,048,979.84-412,089,169.14-258,664,318.20

Finding the Fourth Proportional to 275,048,979.84, 412,089,169.14 and 258,664,318.20

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Solution

The fourth proportional to 275,048,979.84, 412,089,169.14 and 258,664,318.20 is: 387,541,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,048,979.84 : 412,089,169.14 = 258,664,318.20 : x
  2. Step 2: Convert to fraction form
    275,048,979.84/412,089,169.14 = 258,664,318.20/x
  3. Step 3: Cross multiply
    275,048,979.84x = 412,089,169.14 × 258,664,318.20
  4. Step 4: Simplify right side
    275,048,979.84x = 106,592,763,973,202,576
  5. Step 5: Solve for x
    x = 106,592,763,973,202,576/275,048,979.84
  6. Step 6: Final answer
    x = 387,541,026.46

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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.