Home / 966,158,916.60-1,449,479,819.70-311,171,662.20

Finding the Fourth Proportional to 966,158,916.60, 1,449,479,819.70 and 311,171,662.20

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Solution

The fourth proportional to 966,158,916.60, 1,449,479,819.70 and 311,171,662.20 is: 466,835,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,158,916.60 : 1,449,479,819.70 = 311,171,662.20 : x
  2. Step 2: Convert to fraction form
    966,158,916.60/1,449,479,819.70 = 311,171,662.20/x
  3. Step 3: Cross multiply
    966,158,916.60x = 1,449,479,819.70 × 311,171,662.20
  4. Step 4: Simplify right side
    966,158,916.60x = 451,037,044,821,405,312
  5. Step 5: Solve for x
    x = 451,037,044,821,405,312/966,158,916.60
  6. Step 6: Final answer
    x = 466,835,255.64

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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.