Home / 444,498,523.20-666,747,784.80-419,556,225.60

Finding the Fourth Proportional to 444,498,523.20, 666,747,784.80 and 419,556,225.60

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Solution

The fourth proportional to 444,498,523.20, 666,747,784.80 and 419,556,225.60 is: 629,334,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,498,523.20 : 666,747,784.80 = 419,556,225.60 : x
  2. Step 2: Convert to fraction form
    444,498,523.20/666,747,784.80 = 419,556,225.60/x
  3. Step 3: Cross multiply
    444,498,523.20x = 666,747,784.80 × 419,556,225.60
  4. Step 4: Simplify right side
    444,498,523.20x = 279,738,184,017,849,056
  5. Step 5: Solve for x
    x = 279,738,184,017,849,056/444,498,523.20
  6. Step 6: Final answer
    x = 629,334,338.40

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1.5x scale

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.