Home / 825,886,594.26-1,139,753,571.38-449,524,990.95

Finding the Fourth Proportional to 825,886,594.26, 1,139,753,571.38 and 449,524,990.95

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Solution

The fourth proportional to 825,886,594.26, 1,139,753,571.38 and 449,524,990.95 is: 620,360,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,886,594.26 : 1,139,753,571.38 = 449,524,990.95 : x
  2. Step 2: Convert to fraction form
    825,886,594.26/1,139,753,571.38 = 449,524,990.95/x
  3. Step 3: Cross multiply
    825,886,594.26x = 1,139,753,571.38 × 449,524,990.95
  4. Step 4: Simplify right side
    825,886,594.26x = 512,347,713,855,011,136
  5. Step 5: Solve for x
    x = 512,347,713,855,011,136/825,886,594.26
  6. Step 6: Final answer
    x = 620,360,855.13

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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.