Home / 677,969,692.20-1,016,963,986.46-193,295,500.20

Finding the Fourth Proportional to 677,969,692.20, 1,016,963,986.46 and 193,295,500.20

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Solution

The fourth proportional to 677,969,692.20, 1,016,963,986.46 and 193,295,500.20 is: 289,945,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,969,692.20 : 1,016,963,986.46 = 193,295,500.20 : x
  2. Step 2: Convert to fraction form
    677,969,692.20/1,016,963,986.46 = 193,295,500.20/x
  3. Step 3: Cross multiply
    677,969,692.20x = 1,016,963,986.46 × 193,295,500.20
  4. Step 4: Simplify right side
    677,969,692.20x = 196,574,562,448,171,712
  5. Step 5: Solve for x
    x = 196,574,562,448,171,712/677,969,692.20
  6. Step 6: Final answer
    x = 289,945,944.06

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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.