Home / 814,491,531.60-1,221,737,297.40-296,938,856.40

Finding the Fourth Proportional to 814,491,531.60, 1,221,737,297.40 and 296,938,856.40

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Solution

The fourth proportional to 814,491,531.60, 1,221,737,297.40 and 296,938,856.40 is: 445,408,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,491,531.60 : 1,221,737,297.40 = 296,938,856.40 : x
  2. Step 2: Convert to fraction form
    814,491,531.60/1,221,737,297.40 = 296,938,856.40/x
  3. Step 3: Cross multiply
    814,491,531.60x = 1,221,737,297.40 × 296,938,856.40
  4. Step 4: Simplify right side
    814,491,531.60x = 362,781,275,911,182,720
  5. Step 5: Solve for x
    x = 362,781,275,911,182,720/814,491,531.60
  6. Step 6: Final answer
    x = 445,408,284.60

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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.