Home / 8,638,043,826.82-11,920,511,977.05-4,677,752,324.74

Finding the Fourth Proportional to 8,638,043,826.82, 11,920,511,977.05 and 4,677,752,324.74

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Solution

The fourth proportional to 8,638,043,826.82, 11,920,511,977.05 and 4,677,752,324.74 is: 6,455,304,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,043,826.82 : 11,920,511,977.05 = 4,677,752,324.74 : x
  2. Step 2: Convert to fraction form
    8,638,043,826.82/11,920,511,977.05 = 4,677,752,324.74/x
  3. Step 3: Cross multiply
    8,638,043,826.82x = 11,920,511,977.05 × 4,677,752,324.74
  4. Step 4: Simplify right side
    8,638,043,826.82x = 55,761,202,612,736,647,168
  5. Step 5: Solve for x
    x = 55,761,202,612,736,647,168/8,638,043,826.82
  6. Step 6: Final answer
    x = 6,455,304,433.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.