Home / 1,790,742,040.82-2,686,596,669.77-547,138,594.25

Finding the Fourth Proportional to 1,790,742,040.82, 2,686,596,669.77 and 547,138,594.25

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Solution

The fourth proportional to 1,790,742,040.82, 2,686,596,669.77 and 547,138,594.25 is: 820,855,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,742,040.82 : 2,686,596,669.77 = 547,138,594.25 : x
  2. Step 2: Convert to fraction form
    1,790,742,040.82/2,686,596,669.77 = 547,138,594.25/x
  3. Step 3: Cross multiply
    1,790,742,040.82x = 2,686,596,669.77 × 547,138,594.25
  4. Step 4: Simplify right side
    1,790,742,040.82x = 1,469,940,725,198,520,576
  5. Step 5: Solve for x
    x = 1,469,940,725,198,520,576/1,790,742,040.82
  6. Step 6: Final answer
    x = 820,855,651.84

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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.