Home / 1,119,918,589,939.70-1,545,471,206,481.20-625,530,362,142.20

Finding the Fourth Proportional to 1,119,918,589,939.70, 1,545,471,206,481.20 and 625,530,362,142.20

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Solution

The fourth proportional to 1,119,918,589,939.70, 1,545,471,206,481.20 and 625,530,362,142.20 is: 863,222,712,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,918,589,939.70 : 1,545,471,206,481.20 = 625,530,362,142.20 : x
  2. Step 2: Convert to fraction form
    1,119,918,589,939.70/1,545,471,206,481.20 = 625,530,362,142.20/x
  3. Step 3: Cross multiply
    1,119,918,589,939.70x = 1,545,471,206,481.20 × 625,530,362,142.20
  4. Step 4: Simplify right side
    1,119,918,589,939.70x = 966,739,163,470,527,629,099,008
  5. Step 5: Solve for x
    x = 966,739,163,470,527,629,099,008/1,119,918,589,939.70
  6. Step 6: Final answer
    x = 863,222,712,931.82

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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.