Home / 1,248,823,180,073-1,871,912,676,654-420,062,783,721.86

Finding the Fourth Proportional to 1,248,823,180,073, 1,871,912,676,654 and 420,062,783,721.86

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Solution

The fourth proportional to 1,248,823,180,073, 1,871,912,676,654 and 420,062,783,721.86 is: 629,649,467,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,823,180,073 : 1,871,912,676,654 = 420,062,783,721.86 : x
  2. Step 2: Convert to fraction form
    1,248,823,180,073/1,871,912,676,654 = 420,062,783,721.86/x
  3. Step 3: Cross multiply
    1,248,823,180,073x = 1,871,912,676,654 × 420,062,783,721.86
  4. Step 4: Simplify right side
    1,248,823,180,073x = 786,320,849,839,517,216,014,336
  5. Step 5: Solve for x
    x = 786,320,849,839,517,216,014,336/1,248,823,180,073
  6. Step 6: Final answer
    x = 629,649,467,103.54

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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.