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Finding the Fourth Proportional to 1,067,325,900.32, 1,472,700,269.52 and 670,619,033.12

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Solution

The fourth proportional to 1,067,325,900.32, 1,472,700,269.52 and 670,619,033.12 is: 925,322,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,325,900.32 : 1,472,700,269.52 = 670,619,033.12 : x
  2. Step 2: Convert to fraction form
    1,067,325,900.32/1,472,700,269.52 = 670,619,033.12/x
  3. Step 3: Cross multiply
    1,067,325,900.32x = 1,472,700,269.52 × 670,619,033.12
  4. Step 4: Simplify right side
    1,067,325,900.32x = 987,620,830,821,065,856
  5. Step 5: Solve for x
    x = 987,620,830,821,065,856/1,067,325,900.32
  6. Step 6: Final answer
    x = 925,322,650.30

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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.