Home / 1,189,567,217.58-1,641,647,063.52-713,335,121.60

Finding the Fourth Proportional to 1,189,567,217.58, 1,641,647,063.52 and 713,335,121.60

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Solution

The fourth proportional to 1,189,567,217.58, 1,641,647,063.52 and 713,335,121.60 is: 984,429,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,567,217.58 : 1,641,647,063.52 = 713,335,121.60 : x
  2. Step 2: Convert to fraction form
    1,189,567,217.58/1,641,647,063.52 = 713,335,121.60/x
  3. Step 3: Cross multiply
    1,189,567,217.58x = 1,641,647,063.52 × 713,335,121.60
  4. Step 4: Simplify right side
    1,189,567,217.58x = 1,171,044,507,672,113,920
  5. Step 5: Solve for x
    x = 1,171,044,507,672,113,920/1,189,567,217.58
  6. Step 6: Final answer
    x = 984,429,034.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.