Home / 1,107,165,846.80-1,660,768,453.20-330,821,087.60

Finding the Fourth Proportional to 1,107,165,846.80, 1,660,768,453.20 and 330,821,087.60

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Solution

The fourth proportional to 1,107,165,846.80, 1,660,768,453.20 and 330,821,087.60 is: 496,237,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,165,846.80 : 1,660,768,453.20 = 330,821,087.60 : x
  2. Step 2: Convert to fraction form
    1,107,165,846.80/1,660,768,453.20 = 330,821,087.60/x
  3. Step 3: Cross multiply
    1,107,165,846.80x = 1,660,768,453.20 × 330,821,087.60
  4. Step 4: Simplify right side
    1,107,165,846.80x = 549,417,225,939,393,728
  5. Step 5: Solve for x
    x = 549,417,225,939,393,728/1,107,165,846.80
  6. Step 6: Final answer
    x = 496,237,512.68

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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.