Home / 405,810,027-560,019,236.94-220,171,868.28

Finding the Fourth Proportional to 405,810,027, 560,019,236.94 and 220,171,868.28

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Solution

The fourth proportional to 405,810,027, 560,019,236.94 and 220,171,868.28 is: 303,837,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,810,027 : 560,019,236.94 = 220,171,868.28 : x
  2. Step 2: Convert to fraction form
    405,810,027/560,019,236.94 = 220,171,868.28/x
  3. Step 3: Cross multiply
    405,810,027x = 560,019,236.94 × 220,171,868.28
  4. Step 4: Simplify right side
    405,810,027x = 123,300,481,669,819,808
  5. Step 5: Solve for x
    x = 123,300,481,669,819,808/405,810,027
  6. Step 6: Final answer
    x = 303,837,937.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.