Home / 3,889,303,286.52-5,367,238,797.87-2,129,170,694.52

Finding the Fourth Proportional to 3,889,303,286.52, 5,367,238,797.87 and 2,129,170,694.52

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Solution

The fourth proportional to 3,889,303,286.52, 5,367,238,797.87 and 2,129,170,694.52 is: 2,938,255,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,303,286.52 : 5,367,238,797.87 = 2,129,170,694.52 : x
  2. Step 2: Convert to fraction form
    3,889,303,286.52/5,367,238,797.87 = 2,129,170,694.52/x
  3. Step 3: Cross multiply
    3,889,303,286.52x = 5,367,238,797.87 × 2,129,170,694.52
  4. Step 4: Simplify right side
    3,889,303,286.52x = 11,427,767,558,915,557,376
  5. Step 5: Solve for x
    x = 11,427,767,558,915,557,376/3,889,303,286.52
  6. Step 6: Final answer
    x = 2,938,255,702.13

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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.