Home / 12,379,185,560.39-18,533,908,495.43-11,123,943,176.03

Finding the Fourth Proportional to 12,379,185,560.39, 18,533,908,495.43 and 11,123,943,176.03

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Solution

The fourth proportional to 12,379,185,560.39, 18,533,908,495.43 and 11,123,943,176.03 is: 16,654,580,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,185,560.39 : 18,533,908,495.43 = 11,123,943,176.03 : x
  2. Step 2: Convert to fraction form
    12,379,185,560.39/18,533,908,495.43 = 11,123,943,176.03/x
  3. Step 3: Cross multiply
    12,379,185,560.39x = 18,533,908,495.43 × 11,123,943,176.03
  4. Step 4: Simplify right side
    12,379,185,560.39x = 206,170,144,932,902,993,920
  5. Step 5: Solve for x
    x = 206,170,144,932,902,993,920/12,379,185,560.39
  6. Step 6: Final answer
    x = 16,654,580,701.38

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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.