Home / 339,946,223.10-509,919,334.65-135,620,936.70

Finding the Fourth Proportional to 339,946,223.10, 509,919,334.65 and 135,620,936.70

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Solution

The fourth proportional to 339,946,223.10, 509,919,334.65 and 135,620,936.70 is: 203,431,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,946,223.10 : 509,919,334.65 = 135,620,936.70 : x
  2. Step 2: Convert to fraction form
    339,946,223.10/509,919,334.65 = 135,620,936.70/x
  3. Step 3: Cross multiply
    339,946,223.10x = 509,919,334.65 × 135,620,936.70
  4. Step 4: Simplify right side
    339,946,223.10x = 69,155,737,806,673,760
  5. Step 5: Solve for x
    x = 69,155,737,806,673,760/339,946,223.10
  6. Step 6: Final answer
    x = 203,431,405.05

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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.