Home / 328,010,785.36-492,140,093.40-196,944,449.76

Finding the Fourth Proportional to 328,010,785.36, 492,140,093.40 and 196,944,449.76

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Solution

The fourth proportional to 328,010,785.36, 492,140,093.40 and 196,944,449.76 is: 295,491,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,010,785.36 : 492,140,093.40 = 196,944,449.76 : x
  2. Step 2: Convert to fraction form
    328,010,785.36/492,140,093.40 = 196,944,449.76/x
  3. Step 3: Cross multiply
    328,010,785.36x = 492,140,093.40 × 196,944,449.76
  4. Step 4: Simplify right side
    328,010,785.36x = 96,924,259,899,498,000
  5. Step 5: Solve for x
    x = 96,924,259,899,498,000/328,010,785.36
  6. Step 6: Final answer
    x = 295,491,075.98

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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.