Home / 1,119,918,589,941.30-1,545,471,206,483.50-625,530,362,143.80

Finding the Fourth Proportional to 1,119,918,589,941.30, 1,545,471,206,483.50 and 625,530,362,143.80

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Solution

The fourth proportional to 1,119,918,589,941.30, 1,545,471,206,483.50 and 625,530,362,143.80 is: 863,222,712,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,918,589,941.30 : 1,545,471,206,483.50 = 625,530,362,143.80 : x
  2. Step 2: Convert to fraction form
    1,119,918,589,941.30/1,545,471,206,483.50 = 625,530,362,143.80/x
  3. Step 3: Cross multiply
    1,119,918,589,941.30x = 1,545,471,206,483.50 × 625,530,362,143.80
  4. Step 4: Simplify right side
    1,119,918,589,941.30x = 966,739,163,474,439,270,563,840
  5. Step 5: Solve for x
    x = 966,739,163,474,439,270,563,840/1,119,918,589,941.30
  6. Step 6: Final answer
    x = 863,222,712,934.08

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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.