Home / 664,307,590,458.30-996,364,639,805.85-193,155,147,066.30

Finding the Fourth Proportional to 664,307,590,458.30, 996,364,639,805.85 and 193,155,147,066.30

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Solution

The fourth proportional to 664,307,590,458.30, 996,364,639,805.85 and 193,155,147,066.30 is: 289,704,590,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,307,590,458.30 : 996,364,639,805.85 = 193,155,147,066.30 : x
  2. Step 2: Convert to fraction form
    664,307,590,458.30/996,364,639,805.85 = 193,155,147,066.30/x
  3. Step 3: Cross multiply
    664,307,590,458.30x = 996,364,639,805.85 × 193,155,147,066.30
  4. Step 4: Simplify right side
    664,307,590,458.30x = 192,452,958,533,359,954,296,832
  5. Step 5: Solve for x
    x = 192,452,958,533,359,954,296,832/664,307,590,458.30
  6. Step 6: Final answer
    x = 289,704,590,610.79

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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.