Home / 829,821,662.20-1,243,882,187.70-484,597,588.60

Finding the Fourth Proportional to 829,821,662.20, 1,243,882,187.70 and 484,597,588.60

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Solution

The fourth proportional to 829,821,662.20, 1,243,882,187.70 and 484,597,588.60 is: 726,399,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,821,662.20 : 1,243,882,187.70 = 484,597,588.60 : x
  2. Step 2: Convert to fraction form
    829,821,662.20/1,243,882,187.70 = 484,597,588.60/x
  3. Step 3: Cross multiply
    829,821,662.20x = 1,243,882,187.70 × 484,597,588.60
  4. Step 4: Simplify right side
    829,821,662.20x = 602,782,308,661,912,576
  5. Step 5: Solve for x
    x = 602,782,308,661,912,576/829,821,662.20
  6. Step 6: Final answer
    x = 726,399,823.14

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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.