Home / 1,107,536,029.44-1,661,177,139.84-289,727,266.56

Finding the Fourth Proportional to 1,107,536,029.44, 1,661,177,139.84 and 289,727,266.56

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Solution

The fourth proportional to 1,107,536,029.44, 1,661,177,139.84 and 289,727,266.56 is: 434,557,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,536,029.44 : 1,661,177,139.84 = 289,727,266.56 : x
  2. Step 2: Convert to fraction form
    1,107,536,029.44/1,661,177,139.84 = 289,727,266.56/x
  3. Step 3: Cross multiply
    1,107,536,029.44x = 1,661,177,139.84 × 289,727,266.56
  4. Step 4: Simplify right side
    1,107,536,029.44x = 481,288,311,997,802,048
  5. Step 5: Solve for x
    x = 481,288,311,997,802,048/1,107,536,029.44
  6. Step 6: Final answer
    x = 434,557,702.15

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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.