Home / 636,920,603,036.30-955,384,476,336.30-212,447,702,743.98

Finding the Fourth Proportional to 636,920,603,036.30, 955,384,476,336.30 and 212,447,702,743.98

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Solution

The fourth proportional to 636,920,603,036.30, 955,384,476,336.30 and 212,447,702,743.98 is: 318,672,745,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,920,603,036.30 : 955,384,476,336.30 = 212,447,702,743.98 : x
  2. Step 2: Convert to fraction form
    636,920,603,036.30/955,384,476,336.30 = 212,447,702,743.98/x
  3. Step 3: Cross multiply
    636,920,603,036.30x = 955,384,476,336.30 × 212,447,702,743.98
  4. Step 4: Simplify right side
    636,920,603,036.30x = 202,969,237,234,907,271,397,376
  5. Step 5: Solve for x
    x = 202,969,237,234,907,271,397,376/636,920,603,036.30
  6. Step 6: Final answer
    x = 318,672,745,499.71

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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.