Home / 12,379,185,559.39-18,533,908,493.93-11,123,943,175.03

Finding the Fourth Proportional to 12,379,185,559.39, 18,533,908,493.93 and 11,123,943,175.03

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Solution

The fourth proportional to 12,379,185,559.39, 18,533,908,493.93 and 11,123,943,175.03 is: 16,654,580,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,185,559.39 : 18,533,908,493.93 = 11,123,943,175.03 : x
  2. Step 2: Convert to fraction form
    12,379,185,559.39/18,533,908,493.93 = 11,123,943,175.03/x
  3. Step 3: Cross multiply
    12,379,185,559.39x = 18,533,908,493.93 × 11,123,943,175.03
  4. Step 4: Simplify right side
    12,379,185,559.39x = 206,170,144,897,683,193,856
  5. Step 5: Solve for x
    x = 206,170,144,897,683,193,856/12,379,185,559.39
  6. Step 6: Final answer
    x = 16,654,580,699.88

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1.5x scale

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.