Home / 636,920,603,034.90-955,384,476,334.20-212,447,702,742.61

Finding the Fourth Proportional to 636,920,603,034.90, 955,384,476,334.20 and 212,447,702,742.61

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Solution

The fourth proportional to 636,920,603,034.90, 955,384,476,334.20 and 212,447,702,742.61 is: 318,672,745,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,920,603,034.90 : 955,384,476,334.20 = 212,447,702,742.61 : x
  2. Step 2: Convert to fraction form
    636,920,603,034.90/955,384,476,334.20 = 212,447,702,742.61/x
  3. Step 3: Cross multiply
    636,920,603,034.90x = 955,384,476,334.20 × 212,447,702,742.61
  4. Step 4: Simplify right side
    636,920,603,034.90x = 202,969,237,233,152,206,831,616
  5. Step 5: Solve for x
    x = 202,969,237,233,152,206,831,616/636,920,603,034.90
  6. Step 6: Final answer
    x = 318,672,745,497.65

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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.