Home / 613,620,964.23-920,434,887.27-204,675,992.07

Finding the Fourth Proportional to 613,620,964.23, 920,434,887.27 and 204,675,992.07

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Solution

The fourth proportional to 613,620,964.23, 920,434,887.27 and 204,675,992.07 is: 307,015,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,620,964.23 : 920,434,887.27 = 204,675,992.07 : x
  2. Step 2: Convert to fraction form
    613,620,964.23/920,434,887.27 = 204,675,992.07/x
  3. Step 3: Cross multiply
    613,620,964.23x = 920,434,887.27 × 204,675,992.07
  4. Step 4: Simplify right side
    613,620,964.23x = 188,390,923,687,825,856
  5. Step 5: Solve for x
    x = 188,390,923,687,825,856/613,620,964.23
  6. Step 6: Final answer
    x = 307,015,135.84

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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.