Home / 636,144,586.20-954,216,879.30-515,212,234.20

Finding the Fourth Proportional to 636,144,586.20, 954,216,879.30 and 515,212,234.20

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Solution

The fourth proportional to 636,144,586.20, 954,216,879.30 and 515,212,234.20 is: 772,818,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,144,586.20 : 954,216,879.30 = 515,212,234.20 : x
  2. Step 2: Convert to fraction form
    636,144,586.20/954,216,879.30 = 515,212,234.20/x
  3. Step 3: Cross multiply
    636,144,586.20x = 954,216,879.30 × 515,212,234.20
  4. Step 4: Simplify right side
    636,144,586.20x = 491,624,210,295,504,704
  5. Step 5: Solve for x
    x = 491,624,210,295,504,704/636,144,586.20
  6. Step 6: Final answer
    x = 772,818,351.30

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Double scale
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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.