Home / 73,208,664,000.40-109,812,996,000.60-20,857,048,819.60

Finding the Fourth Proportional to 73,208,664,000.40, 109,812,996,000.60 and 20,857,048,819.60

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Solution

The fourth proportional to 73,208,664,000.40, 109,812,996,000.60 and 20,857,048,819.60 is: 31,285,573,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,208,664,000.40 : 109,812,996,000.60 = 20,857,048,819.60 : x
  2. Step 2: Convert to fraction form
    73,208,664,000.40/109,812,996,000.60 = 20,857,048,819.60/x
  3. Step 3: Cross multiply
    73,208,664,000.40x = 109,812,996,000.60 × 20,857,048,819.60
  4. Step 4: Simplify right side
    73,208,664,000.40x = 2,290,375,018,611,053,690,880
  5. Step 5: Solve for x
    x = 2,290,375,018,611,053,690,880/73,208,664,000.40
  6. Step 6: Final answer
    x = 31,285,573,229.40

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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.