Home / 636,920,583,735.70-955,384,447,183.05-212,447,683,443.45

Finding the Fourth Proportional to 636,920,583,735.70, 955,384,447,183.05 and 212,447,683,443.45

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Solution

The fourth proportional to 636,920,583,735.70, 955,384,447,183.05 and 212,447,683,443.45 is: 318,672,716,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,920,583,735.70 : 955,384,447,183.05 = 212,447,683,443.45 : x
  2. Step 2: Convert to fraction form
    636,920,583,735.70/955,384,447,183.05 = 212,447,683,443.45/x
  3. Step 3: Cross multiply
    636,920,583,735.70x = 955,384,447,183.05 × 212,447,683,443.45
  4. Step 4: Simplify right side
    636,920,583,735.70x = 202,969,212,601,940,100,251,648
  5. Step 5: Solve for x
    x = 202,969,212,601,940,100,251,648/636,920,583,735.70
  6. Step 6: Final answer
    x = 318,672,716,481.35

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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.