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Finding the Fourth Proportional to 504,503,757.20, 756,867,610.20 and 231,808,768.40

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Solution

The fourth proportional to 504,503,757.20, 756,867,610.20 and 231,808,768.40 is: 347,764,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,503,757.20 : 756,867,610.20 = 231,808,768.40 : x
  2. Step 2: Convert to fraction form
    504,503,757.20/756,867,610.20 = 231,808,768.40/x
  3. Step 3: Cross multiply
    504,503,757.20x = 756,867,610.20 × 231,808,768.40
  4. Step 4: Simplify right side
    504,503,757.20x = 175,448,548,562,313,280
  5. Step 5: Solve for x
    x = 175,448,548,562,313,280/504,503,757.20
  6. Step 6: Final answer
    x = 347,764,602.46

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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.