Home / 825,795,571.92-1,139,597,825.75-449,454,858.10

Finding the Fourth Proportional to 825,795,571.92, 1,139,597,825.75 and 449,454,858.10

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Solution

The fourth proportional to 825,795,571.92, 1,139,597,825.75 and 449,454,858.10 is: 620,247,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,795,571.92 : 1,139,597,825.75 = 449,454,858.10 : x
  2. Step 2: Convert to fraction form
    825,795,571.92/1,139,597,825.75 = 449,454,858.10/x
  3. Step 3: Cross multiply
    825,795,571.92x = 1,139,597,825.75 × 449,454,858.10
  4. Step 4: Simplify right side
    825,795,571.92x = 512,197,779,063,534,784
  5. Step 5: Solve for x
    x = 512,197,779,063,534,784/825,795,571.92
  6. Step 6: Final answer
    x = 620,247,669.62

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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.