Home / 256,629,672.60-384,944,508.90-154,593,000.60

Finding the Fourth Proportional to 256,629,672.60, 384,944,508.90 and 154,593,000.60

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Solution

The fourth proportional to 256,629,672.60, 384,944,508.90 and 154,593,000.60 is: 231,889,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,629,672.60 : 384,944,508.90 = 154,593,000.60 : x
  2. Step 2: Convert to fraction form
    256,629,672.60/384,944,508.90 = 154,593,000.60/x
  3. Step 3: Cross multiply
    256,629,672.60x = 384,944,508.90 × 154,593,000.60
  4. Step 4: Simplify right side
    256,629,672.60x = 59,509,726,695,344,400
  5. Step 5: Solve for x
    x = 59,509,726,695,344,400/256,629,672.60
  6. Step 6: Final answer
    x = 231,889,500.90

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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.