Home / 1,192,691,315,444.80-1,789,288,267,023.20-386,795,416,908.18

Finding the Fourth Proportional to 1,192,691,315,444.80, 1,789,288,267,023.20 and 386,795,416,908.18

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Solution

The fourth proportional to 1,192,691,315,444.80, 1,789,288,267,023.20 and 386,795,416,908.18 is: 580,274,621,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,691,315,444.80 : 1,789,288,267,023.20 = 386,795,416,908.18 : x
  2. Step 2: Convert to fraction form
    1,192,691,315,444.80/1,789,288,267,023.20 = 386,795,416,908.18/x
  3. Step 3: Cross multiply
    1,192,691,315,444.80x = 1,789,288,267,023.20 × 386,795,416,908.18
  4. Step 4: Simplify right side
    1,192,691,315,444.80x = 692,088,501,212,153,477,332,992
  5. Step 5: Solve for x
    x = 692,088,501,212,153,477,332,992/1,192,691,315,444.80
  6. Step 6: Final answer
    x = 580,274,621,144.57

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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.