Home / 636,920,603,034.40-955,384,476,333.45-212,447,702,742.11

Finding the Fourth Proportional to 636,920,603,034.40, 955,384,476,333.45 and 212,447,702,742.11

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Solution

The fourth proportional to 636,920,603,034.40, 955,384,476,333.45 and 212,447,702,742.11 is: 318,672,745,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,920,603,034.40 : 955,384,476,333.45 = 212,447,702,742.11 : x
  2. Step 2: Convert to fraction form
    636,920,603,034.40/955,384,476,333.45 = 212,447,702,742.11/x
  3. Step 3: Cross multiply
    636,920,603,034.40x = 955,384,476,333.45 × 212,447,702,742.11
  4. Step 4: Simplify right side
    636,920,603,034.40x = 202,969,237,232,515,175,940,096
  5. Step 5: Solve for x
    x = 202,969,237,232,515,175,940,096/636,920,603,034.40
  6. Step 6: Final answer
    x = 318,672,745,496.90

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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.