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Finding the Fourth Proportional to 538,163,358.20, 807,245,037.30 and 538,163,358.20

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Solution

The fourth proportional to 538,163,358.20, 807,245,037.30 and 538,163,358.20 is: 807,245,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,163,358.20 : 807,245,037.30 = 538,163,358.20 : x
  2. Step 2: Convert to fraction form
    538,163,358.20/807,245,037.30 = 538,163,358.20/x
  3. Step 3: Cross multiply
    538,163,358.20x = 807,245,037.30 × 538,163,358.20
  4. Step 4: Simplify right side
    538,163,358.20x = 434,429,700,163,652,288
  5. Step 5: Solve for x
    x = 434,429,700,163,652,288/538,163,358.20
  6. Step 6: Final answer
    x = 807,245,037.30

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Similar ratio
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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.