Home / 293,560,738.40-440,341,107.60-196,814,856.80

Finding the Fourth Proportional to 293,560,738.40, 440,341,107.60 and 196,814,856.80

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Solution

The fourth proportional to 293,560,738.40, 440,341,107.60 and 196,814,856.80 is: 295,222,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,560,738.40 : 440,341,107.60 = 196,814,856.80 : x
  2. Step 2: Convert to fraction form
    293,560,738.40/440,341,107.60 = 196,814,856.80/x
  3. Step 3: Cross multiply
    293,560,738.40x = 440,341,107.60 × 196,814,856.80
  4. Step 4: Simplify right side
    293,560,738.40x = 86,665,672,035,447,408
  5. Step 5: Solve for x
    x = 86,665,672,035,447,408/293,560,738.40
  6. Step 6: Final answer
    x = 295,222,285.20

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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.