Home / 5,271,520,145.28-7,274,677,836.90-2,892,697,883.28

Finding the Fourth Proportional to 5,271,520,145.28, 7,274,677,836.90 and 2,892,697,883.28

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Solution

The fourth proportional to 5,271,520,145.28, 7,274,677,836.90 and 2,892,697,883.28 is: 3,991,912,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,520,145.28 : 7,274,677,836.90 = 2,892,697,883.28 : x
  2. Step 2: Convert to fraction form
    5,271,520,145.28/7,274,677,836.90 = 2,892,697,883.28/x
  3. Step 3: Cross multiply
    5,271,520,145.28x = 7,274,677,836.90 × 2,892,697,883.28
  4. Step 4: Simplify right side
    5,271,520,145.28x = 21,043,445,180,344,557,568
  5. Step 5: Solve for x
    x = 21,043,445,180,344,557,568/5,271,520,145.28
  6. Step 6: Final answer
    x = 3,991,912,124.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.