Home / 1,119,918,589,938.70-1,545,471,206,479.80-625,530,362,141.20

Finding the Fourth Proportional to 1,119,918,589,938.70, 1,545,471,206,479.80 and 625,530,362,141.20

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Solution

The fourth proportional to 1,119,918,589,938.70, 1,545,471,206,479.80 and 625,530,362,141.20 is: 863,222,712,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,918,589,938.70 : 1,545,471,206,479.80 = 625,530,362,141.20 : x
  2. Step 2: Convert to fraction form
    1,119,918,589,938.70/1,545,471,206,479.80 = 625,530,362,141.20/x
  3. Step 3: Cross multiply
    1,119,918,589,938.70x = 1,545,471,206,479.80 × 625,530,362,141.20
  4. Step 4: Simplify right side
    1,119,918,589,938.70x = 966,739,163,468,106,475,503,616
  5. Step 5: Solve for x
    x = 966,739,163,468,106,475,503,616/1,119,918,589,938.70
  6. Step 6: Final answer
    x = 863,222,712,930.43

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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.