Home / 1,119,918,589,943.20-1,545,471,206,486.40-625,530,362,145.68

Finding the Fourth Proportional to 1,119,918,589,943.20, 1,545,471,206,486.40 and 625,530,362,145.68

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Solution

The fourth proportional to 1,119,918,589,943.20, 1,545,471,206,486.40 and 625,530,362,145.68 is: 863,222,712,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,918,589,943.20 : 1,545,471,206,486.40 = 625,530,362,145.68 : x
  2. Step 2: Convert to fraction form
    1,119,918,589,943.20/1,545,471,206,486.40 = 625,530,362,145.68/x
  3. Step 3: Cross multiply
    1,119,918,589,943.20x = 1,545,471,206,486.40 × 625,530,362,145.68
  4. Step 4: Simplify right side
    1,119,918,589,943.20x = 966,739,163,479,158,768,533,504
  5. Step 5: Solve for x
    x = 966,739,163,479,158,768,533,504/1,119,918,589,943.20
  6. Step 6: Final answer
    x = 863,222,712,936.83

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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.