Home / 636,920,603,036.80-955,384,476,337.04-212,447,702,744.48

Finding the Fourth Proportional to 636,920,603,036.80, 955,384,476,337.04 and 212,447,702,744.48

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Solution

The fourth proportional to 636,920,603,036.80, 955,384,476,337.04 and 212,447,702,744.48 is: 318,672,745,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,920,603,036.80 : 955,384,476,337.04 = 212,447,702,744.48 : x
  2. Step 2: Convert to fraction form
    636,920,603,036.80/955,384,476,337.04 = 212,447,702,744.48/x
  3. Step 3: Cross multiply
    636,920,603,036.80x = 955,384,476,337.04 × 212,447,702,744.48
  4. Step 4: Simplify right side
    636,920,603,036.80x = 202,969,237,235,542,188,359,680
  5. Step 5: Solve for x
    x = 202,969,237,235,542,188,359,680/636,920,603,036.80
  6. Step 6: Final answer
    x = 318,672,745,500.45

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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.