Home / 1,843,245,318.42-2,764,870,638.66-752,728,386.42

Finding the Fourth Proportional to 1,843,245,318.42, 2,764,870,638.66 and 752,728,386.42

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Solution

The fourth proportional to 1,843,245,318.42, 2,764,870,638.66 and 752,728,386.42 is: 1,129,093,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,245,318.42 : 2,764,870,638.66 = 752,728,386.42 : x
  2. Step 2: Convert to fraction form
    1,843,245,318.42/2,764,870,638.66 = 752,728,386.42/x
  3. Step 3: Cross multiply
    1,843,245,318.42x = 2,764,870,638.66 × 752,728,386.42
  4. Step 4: Simplify right side
    1,843,245,318.42x = 2,081,196,614,498,576,384
  5. Step 5: Solve for x
    x = 2,081,196,614,498,576,384/1,843,245,318.42
  6. Step 6: Final answer
    x = 1,129,093,666.32

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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.