Home / 1,119,918,589,939.30-1,545,471,206,480.80-625,530,362,141.90

Finding the Fourth Proportional to 1,119,918,589,939.30, 1,545,471,206,480.80 and 625,530,362,141.90

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Solution

The fourth proportional to 1,119,918,589,939.30, 1,545,471,206,480.80 and 625,530,362,141.90 is: 863,222,712,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,918,589,939.30 : 1,545,471,206,480.80 = 625,530,362,141.90 : x
  2. Step 2: Convert to fraction form
    1,119,918,589,939.30/1,545,471,206,480.80 = 625,530,362,141.90/x
  3. Step 3: Cross multiply
    1,119,918,589,939.30x = 1,545,471,206,480.80 × 625,530,362,141.90
  4. Step 4: Simplify right side
    1,119,918,589,939.30x = 966,739,163,469,813,993,439,232
  5. Step 5: Solve for x
    x = 966,739,163,469,813,993,439,232/1,119,918,589,939.30
  6. Step 6: Final answer
    x = 863,222,712,931.49

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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.