Home / 1,100,952,303.80-1,651,428,455.70-665,595,836.60

Finding the Fourth Proportional to 1,100,952,303.80, 1,651,428,455.70 and 665,595,836.60

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Solution

The fourth proportional to 1,100,952,303.80, 1,651,428,455.70 and 665,595,836.60 is: 998,393,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,952,303.80 : 1,651,428,455.70 = 665,595,836.60 : x
  2. Step 2: Convert to fraction form
    1,100,952,303.80/1,651,428,455.70 = 665,595,836.60/x
  3. Step 3: Cross multiply
    1,100,952,303.80x = 1,651,428,455.70 × 665,595,836.60
  4. Step 4: Simplify right side
    1,100,952,303.80x = 1,099,183,904,556,687,616
  5. Step 5: Solve for x
    x = 1,099,183,904,556,687,616/1,100,952,303.80
  6. Step 6: Final answer
    x = 998,393,754.90

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Double scale
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Similar ratio
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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.