Home / 2,819,716,779.78-3,891,314,170.62-1,690,870,329.99

Finding the Fourth Proportional to 2,819,716,779.78, 3,891,314,170.62 and 1,690,870,329.99

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Solution

The fourth proportional to 2,819,716,779.78, 3,891,314,170.62 and 1,690,870,329.99 is: 2,333,464,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,716,779.78 : 3,891,314,170.62 = 1,690,870,329.99 : x
  2. Step 2: Convert to fraction form
    2,819,716,779.78/3,891,314,170.62 = 1,690,870,329.99/x
  3. Step 3: Cross multiply
    2,819,716,779.78x = 3,891,314,170.62 × 1,690,870,329.99
  4. Step 4: Simplify right side
    2,819,716,779.78x = 6,579,707,675,771,002,880
  5. Step 5: Solve for x
    x = 6,579,707,675,771,002,880/2,819,716,779.78
  6. Step 6: Final answer
    x = 2,333,464,028.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.