Home / 1,192,691,315,509.30-1,789,288,267,120-386,795,416,972.68

Finding the Fourth Proportional to 1,192,691,315,509.30, 1,789,288,267,120 and 386,795,416,972.68

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Solution

The fourth proportional to 1,192,691,315,509.30, 1,789,288,267,120 and 386,795,416,972.68 is: 580,274,621,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,691,315,509.30 : 1,789,288,267,120 = 386,795,416,972.68 : x
  2. Step 2: Convert to fraction form
    1,192,691,315,509.30/1,789,288,267,120 = 386,795,416,972.68/x
  3. Step 3: Cross multiply
    1,192,691,315,509.30x = 1,789,288,267,120 × 386,795,416,972.68
  4. Step 4: Simplify right side
    1,192,691,315,509.30x = 692,088,501,365,004,384,075,776
  5. Step 5: Solve for x
    x = 692,088,501,365,004,384,075,776/1,192,691,315,509.30
  6. Step 6: Final answer
    x = 580,274,621,241.35

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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.