Home / 70,840,157,597.89-106,260,438,122.06-20,479,691,082.58

Finding the Fourth Proportional to 70,840,157,597.89, 106,260,438,122.06 and 20,479,691,082.58

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Solution

The fourth proportional to 70,840,157,597.89, 106,260,438,122.06 and 20,479,691,082.58 is: 30,719,594,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,840,157,597.89 : 106,260,438,122.06 = 20,479,691,082.58 : x
  2. Step 2: Convert to fraction form
    70,840,157,597.89/106,260,438,122.06 = 20,479,691,082.58/x
  3. Step 3: Cross multiply
    70,840,157,597.89x = 106,260,438,122.06 × 20,479,691,082.58
  4. Step 4: Simplify right side
    70,840,157,597.89x = 2,176,180,947,039,183,437,824
  5. Step 5: Solve for x
    x = 2,176,180,947,039,183,437,824/70,840,157,597.89
  6. Step 6: Final answer
    x = 30,719,594,942.06

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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.