Home / 21,930,843,278.06-30,264,540,770.44-12,285,641,141.66

Finding the Fourth Proportional to 21,930,843,278.06, 30,264,540,770.44 and 12,285,641,141.66

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Solution

The fourth proportional to 21,930,843,278.06, 30,264,540,770.44 and 12,285,641,141.66 is: 16,954,171,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930,843,278.06 : 30,264,540,770.44 = 12,285,641,141.66 : x
  2. Step 2: Convert to fraction form
    21,930,843,278.06/30,264,540,770.44 = 12,285,641,141.66/x
  3. Step 3: Cross multiply
    21,930,843,278.06x = 30,264,540,770.44 × 12,285,641,141.66
  4. Step 4: Simplify right side
    21,930,843,278.06x = 371,819,287,222,679,044,096
  5. Step 5: Solve for x
    x = 371,819,287,222,679,044,096/21,930,843,278.06
  6. Step 6: Final answer
    x = 16,954,171,917.08

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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.