Home / 1,119,918,589,937.40-1,545,471,206,478.20-625,530,362,139.90

Finding the Fourth Proportional to 1,119,918,589,937.40, 1,545,471,206,478.20 and 625,530,362,139.90

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Solution

The fourth proportional to 1,119,918,589,937.40, 1,545,471,206,478.20 and 625,530,362,139.90 is: 863,222,712,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,918,589,937.40 : 1,545,471,206,478.20 = 625,530,362,139.90 : x
  2. Step 2: Convert to fraction form
    1,119,918,589,937.40/1,545,471,206,478.20 = 625,530,362,139.90/x
  3. Step 3: Cross multiply
    1,119,918,589,937.40x = 1,545,471,206,478.20 × 625,530,362,139.90
  4. Step 4: Simplify right side
    1,119,918,589,937.40x = 966,739,163,465,096,642,953,216
  5. Step 5: Solve for x
    x = 966,739,163,465,096,642,953,216/1,119,918,589,937.40
  6. Step 6: Final answer
    x = 863,222,712,928.75

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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.