Home / 1,248,823,180,074-1,871,912,676,655.50-420,062,783,722.85

Finding the Fourth Proportional to 1,248,823,180,074, 1,871,912,676,655.50 and 420,062,783,722.85

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Solution

The fourth proportional to 1,248,823,180,074, 1,871,912,676,655.50 and 420,062,783,722.85 is: 629,649,467,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,823,180,074 : 1,871,912,676,655.50 = 420,062,783,722.85 : x
  2. Step 2: Convert to fraction form
    1,248,823,180,074/1,871,912,676,655.50 = 420,062,783,722.85/x
  3. Step 3: Cross multiply
    1,248,823,180,074x = 1,871,912,676,655.50 × 420,062,783,722.85
  4. Step 4: Simplify right side
    1,248,823,180,074x = 786,320,849,842,000,512,417,792
  5. Step 5: Solve for x
    x = 786,320,849,842,000,512,417,792/1,248,823,180,074
  6. Step 6: Final answer
    x = 629,649,467,105.03

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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.