Home / 12,978,447,349.73-19,467,458,284.16-4,135,166,072.87

Finding the Fourth Proportional to 12,978,447,349.73, 19,467,458,284.16 and 4,135,166,072.87

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Solution

The fourth proportional to 12,978,447,349.73, 19,467,458,284.16 and 4,135,166,072.87 is: 6,202,681,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,978,447,349.73 : 19,467,458,284.16 = 4,135,166,072.87 : x
  2. Step 2: Convert to fraction form
    12,978,447,349.73/19,467,458,284.16 = 4,135,166,072.87/x
  3. Step 3: Cross multiply
    12,978,447,349.73x = 19,467,458,284.16 × 4,135,166,072.87
  4. Step 4: Simplify right side
    12,978,447,349.73x = 80,501,173,021,581,377,536
  5. Step 5: Solve for x
    x = 80,501,173,021,581,377,536/12,978,447,349.73
  6. Step 6: Final answer
    x = 6,202,681,326.38

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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.