Home / 256,993,920,408.40-354,654,823,870.44-141,263,315,453.52

Finding the Fourth Proportional to 256,993,920,408.40, 354,654,823,870.44 and 141,263,315,453.52

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Solution

The fourth proportional to 256,993,920,408.40, 354,654,823,870.44 and 141,263,315,453.52 is: 194,945,141,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,993,920,408.40 : 354,654,823,870.44 = 141,263,315,453.52 : x
  2. Step 2: Convert to fraction form
    256,993,920,408.40/354,654,823,870.44 = 141,263,315,453.52/x
  3. Step 3: Cross multiply
    256,993,920,408.40x = 354,654,823,870.44 × 141,263,315,453.52
  4. Step 4: Simplify right side
    256,993,920,408.40x = 50,099,716,261,522,536,660,992
  5. Step 5: Solve for x
    x = 50,099,716,261,522,536,660,992/256,993,920,408.40
  6. Step 6: Final answer
    x = 194,945,141,822.45

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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.