Home / 836,595,469.80-1,252,469,888.88-630,203,105.22

Finding the Fourth Proportional to 836,595,469.80, 1,252,469,888.88 and 630,203,105.22

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Solution

The fourth proportional to 836,595,469.80, 1,252,469,888.88 and 630,203,105.22 is: 943,479,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,595,469.80 : 1,252,469,888.88 = 630,203,105.22 : x
  2. Step 2: Convert to fraction form
    836,595,469.80/1,252,469,888.88 = 630,203,105.22/x
  3. Step 3: Cross multiply
    836,595,469.80x = 1,252,469,888.88 × 630,203,105.22
  4. Step 4: Simplify right side
    836,595,469.80x = 789,310,413,166,724,480
  5. Step 5: Solve for x
    x = 789,310,413,166,724,480/836,595,469.80
  6. Step 6: Final answer
    x = 943,479,186.37

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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.