Home / 331,998,980.34-498,170,817.03-135,406,621.79

Finding the Fourth Proportional to 331,998,980.34, 498,170,817.03 and 135,406,621.79

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Solution

The fourth proportional to 331,998,980.34, 498,170,817.03 and 135,406,621.79 is: 203,180,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,998,980.34 : 498,170,817.03 = 135,406,621.79 : x
  2. Step 2: Convert to fraction form
    331,998,980.34/498,170,817.03 = 135,406,621.79/x
  3. Step 3: Cross multiply
    331,998,980.34x = 498,170,817.03 × 135,406,621.79
  4. Step 4: Simplify right side
    331,998,980.34x = 67,455,627,405,905,640
  5. Step 5: Solve for x
    x = 67,455,627,405,905,640/331,998,980.34
  6. Step 6: Final answer
    x = 203,180,224.64

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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.