Home / 3,178,509,990.82-4,764,559,950.65-1,998,933,480.65

Finding the Fourth Proportional to 3,178,509,990.82, 4,764,559,950.65 and 1,998,933,480.65

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Solution

The fourth proportional to 3,178,509,990.82, 4,764,559,950.65 and 1,998,933,480.65 is: 2,996,384,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,509,990.82 : 4,764,559,950.65 = 1,998,933,480.65 : x
  2. Step 2: Convert to fraction form
    3,178,509,990.82/4,764,559,950.65 = 1,998,933,480.65/x
  3. Step 3: Cross multiply
    3,178,509,990.82x = 4,764,559,950.65 × 1,998,933,480.65
  4. Step 4: Simplify right side
    3,178,509,990.82x = 9,524,038,405,935,304,704
  5. Step 5: Solve for x
    x = 9,524,038,405,935,304,704/3,178,509,990.82
  6. Step 6: Final answer
    x = 2,996,384,605.82

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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.