Home / 3,889,303,286.02-5,367,238,797.18-2,129,170,694.02

Finding the Fourth Proportional to 3,889,303,286.02, 5,367,238,797.18 and 2,129,170,694.02

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Solution

The fourth proportional to 3,889,303,286.02, 5,367,238,797.18 and 2,129,170,694.02 is: 2,938,255,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,303,286.02 : 5,367,238,797.18 = 2,129,170,694.02 : x
  2. Step 2: Convert to fraction form
    3,889,303,286.02/5,367,238,797.18 = 2,129,170,694.02/x
  3. Step 3: Cross multiply
    3,889,303,286.02x = 5,367,238,797.18 × 2,129,170,694.02
  4. Step 4: Simplify right side
    3,889,303,286.02x = 11,427,767,554,762,811,392
  5. Step 5: Solve for x
    x = 11,427,767,554,762,811,392/3,889,303,286.02
  6. Step 6: Final answer
    x = 2,938,255,701.44

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Half scale
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Double scale
Find fourth proportional to 3,889,303,287.02, 5,367,238,798.56 and 2,129,170,695.02
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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.