Home / 70,136,135,780.88-105,193,573,911.34-19,088,410,393.90

Finding the Fourth Proportional to 70,136,135,780.88, 105,193,573,911.34 and 19,088,410,393.90

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Solution

The fourth proportional to 70,136,135,780.88, 105,193,573,911.34 and 19,088,410,393.90 is: 28,629,722,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136,135,780.88 : 105,193,573,911.34 = 19,088,410,393.90 : x
  2. Step 2: Convert to fraction form
    70,136,135,780.88/105,193,573,911.34 = 19,088,410,393.90/x
  3. Step 3: Cross multiply
    70,136,135,780.88x = 105,193,573,911.34 × 19,088,410,393.90
  4. Step 4: Simplify right side
    70,136,135,780.88x = 2,007,978,109,620,394,655,744
  5. Step 5: Solve for x
    x = 2,007,978,109,620,394,655,744/70,136,135,780.88
  6. Step 6: Final answer
    x = 28,629,722,571.17

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1.5x scale

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.