Home / 1,248,823,180,075.80-1,871,912,676,658.20-420,062,783,724.62

Finding the Fourth Proportional to 1,248,823,180,075.80, 1,871,912,676,658.20 and 420,062,783,724.62

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Solution

The fourth proportional to 1,248,823,180,075.80, 1,871,912,676,658.20 and 420,062,783,724.62 is: 629,649,467,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,823,180,075.80 : 1,871,912,676,658.20 = 420,062,783,724.62 : x
  2. Step 2: Convert to fraction form
    1,248,823,180,075.80/1,871,912,676,658.20 = 420,062,783,724.62/x
  3. Step 3: Cross multiply
    1,248,823,180,075.80x = 1,871,912,676,658.20 × 420,062,783,724.62
  4. Step 4: Simplify right side
    1,248,823,180,075.80x = 786,320,849,846,447,951,052,800
  5. Step 5: Solve for x
    x = 786,320,849,846,447,951,052,800/1,248,823,180,075.80
  6. Step 6: Final answer
    x = 629,649,467,107.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.