Home / 452,339,343.32-678,428,245.86-120,348,261.32

Finding the Fourth Proportional to 452,339,343.32, 678,428,245.86 and 120,348,261.32

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Solution

The fourth proportional to 452,339,343.32, 678,428,245.86 and 120,348,261.32 is: 180,500,902.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,339,343.32 : 678,428,245.86 = 120,348,261.32 : x
  2. Step 2: Convert to fraction form
    452,339,343.32/678,428,245.86 = 120,348,261.32/x
  3. Step 3: Cross multiply
    452,339,343.32x = 678,428,245.86 × 120,348,261.32
  4. Step 4: Simplify right side
    452,339,343.32x = 81,647,659,819,628,480
  5. Step 5: Solve for x
    x = 81,647,659,819,628,480/452,339,343.32
  6. Step 6: Final answer
    x = 180,500,902.75

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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.