Home / 70,136,135,311.10-105,193,573,208.96-19,088,409,924.38

Finding the Fourth Proportional to 70,136,135,311.10, 105,193,573,208.96 and 19,088,409,924.38

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Solution

The fourth proportional to 70,136,135,311.10, 105,193,573,208.96 and 19,088,409,924.38 is: 28,629,721,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136,135,311.10 : 105,193,573,208.96 = 19,088,409,924.38 : x
  2. Step 2: Convert to fraction form
    70,136,135,311.10/105,193,573,208.96 = 19,088,409,924.38/x
  3. Step 3: Cross multiply
    70,136,135,311.10x = 105,193,573,208.96 × 19,088,409,924.38
  4. Step 4: Simplify right side
    70,136,135,311.10x = 2,007,978,046,823,116,570,624
  5. Step 5: Solve for x
    x = 2,007,978,046,823,116,570,624/70,136,135,311.10
  6. Step 6: Final answer
    x = 28,629,721,867.57

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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.