Home / 1,119,918,589,940-1,545,471,206,481.80-625,530,362,142.51

Finding the Fourth Proportional to 1,119,918,589,940, 1,545,471,206,481.80 and 625,530,362,142.51

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Solution

The fourth proportional to 1,119,918,589,940, 1,545,471,206,481.80 and 625,530,362,142.51 is: 863,222,712,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,918,589,940 : 1,545,471,206,481.80 = 625,530,362,142.51 : x
  2. Step 2: Convert to fraction form
    1,119,918,589,940/1,545,471,206,481.80 = 625,530,362,142.51/x
  3. Step 3: Cross multiply
    1,119,918,589,940x = 1,545,471,206,481.80 × 625,530,362,142.51
  4. Step 4: Simplify right side
    1,119,918,589,940x = 966,739,163,471,382,193,373,184
  5. Step 5: Solve for x
    x = 966,739,163,471,382,193,373,184/1,119,918,589,940
  6. Step 6: Final answer
    x = 863,222,712,932.35

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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.