Home / 8,638,043,825.82-11,920,511,975.67-4,677,752,323.74

Finding the Fourth Proportional to 8,638,043,825.82, 11,920,511,975.67 and 4,677,752,323.74

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Solution

The fourth proportional to 8,638,043,825.82, 11,920,511,975.67 and 4,677,752,323.74 is: 6,455,304,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,043,825.82 : 11,920,511,975.67 = 4,677,752,323.74 : x
  2. Step 2: Convert to fraction form
    8,638,043,825.82/11,920,511,975.67 = 4,677,752,323.74/x
  3. Step 3: Cross multiply
    8,638,043,825.82x = 11,920,511,975.67 × 4,677,752,323.74
  4. Step 4: Simplify right side
    8,638,043,825.82x = 55,761,202,594,360,836,096
  5. Step 5: Solve for x
    x = 55,761,202,594,360,836,096/8,638,043,825.82
  6. Step 6: Final answer
    x = 6,455,304,432.20

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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.