Home / 630,411,314.14-945,519,993.61-210,240,067.69

Finding the Fourth Proportional to 630,411,314.14, 945,519,993.61 and 210,240,067.69

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Solution

The fourth proportional to 630,411,314.14, 945,519,993.61 and 210,240,067.69 is: 315,327,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,411,314.14 : 945,519,993.61 = 210,240,067.69 : x
  2. Step 2: Convert to fraction form
    630,411,314.14/945,519,993.61 = 210,240,067.69/x
  3. Step 3: Cross multiply
    630,411,314.14x = 945,519,993.61 × 210,240,067.69
  4. Step 4: Simplify right side
    630,411,314.14x = 198,786,187,459,471,040
  5. Step 5: Solve for x
    x = 198,786,187,459,471,040/630,411,314.14
  6. Step 6: Final answer
    x = 315,327,759.83

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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.