Home / 1,369,967,037.90-1,890,554,525.85-743,435,465.85

Finding the Fourth Proportional to 1,369,967,037.90, 1,890,554,525.85 and 743,435,465.85

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Solution

The fourth proportional to 1,369,967,037.90, 1,890,554,525.85 and 743,435,465.85 is: 1,025,940,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,967,037.90 : 1,890,554,525.85 = 743,435,465.85 : x
  2. Step 2: Convert to fraction form
    1,369,967,037.90/1,890,554,525.85 = 743,435,465.85/x
  3. Step 3: Cross multiply
    1,369,967,037.90x = 1,890,554,525.85 × 743,435,465.85
  4. Step 4: Simplify right side
    1,369,967,037.90x = 1,405,505,284,640,120,576
  5. Step 5: Solve for x
    x = 1,405,505,284,640,120,576/1,369,967,037.90
  6. Step 6: Final answer
    x = 1,025,940,950.23

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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.