Home / 1,119,918,589,937.90-1,545,471,206,478.90-625,530,362,140.45

Finding the Fourth Proportional to 1,119,918,589,937.90, 1,545,471,206,478.90 and 625,530,362,140.45

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Solution

The fourth proportional to 1,119,918,589,937.90, 1,545,471,206,478.90 and 625,530,362,140.45 is: 863,222,712,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,918,589,937.90 : 1,545,471,206,478.90 = 625,530,362,140.45 : x
  2. Step 2: Convert to fraction form
    1,119,918,589,937.90/1,545,471,206,478.90 = 625,530,362,140.45/x
  3. Step 3: Cross multiply
    1,119,918,589,937.90x = 1,545,471,206,478.90 × 625,530,362,140.45
  4. Step 4: Simplify right side
    1,119,918,589,937.90x = 966,739,163,466,384,327,835,648
  5. Step 5: Solve for x
    x = 966,739,163,466,384,327,835,648/1,119,918,589,937.90
  6. Step 6: Final answer
    x = 863,222,712,929.51

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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.