Home / 298,936,840.20-448,027,346.70-266,436,270.60

Finding the Fourth Proportional to 298,936,840.20, 448,027,346.70 and 266,436,270.60

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Solution

The fourth proportional to 298,936,840.20, 448,027,346.70 and 266,436,270.60 is: 399,317,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,840.20 : 448,027,346.70 = 266,436,270.60 : x
  2. Step 2: Convert to fraction form
    298,936,840.20/448,027,346.70 = 266,436,270.60/x
  3. Step 3: Cross multiply
    298,936,840.20x = 448,027,346.70 × 266,436,270.60
  4. Step 4: Simplify right side
    298,936,840.20x = 119,370,735,381,561,216
  5. Step 5: Solve for x
    x = 119,370,735,381,561,216/298,936,840.20
  6. Step 6: Final answer
    x = 399,317,579.26

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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.