Home / 12,978,447,350.73-19,467,458,285.66-4,135,166,073.87

Finding the Fourth Proportional to 12,978,447,350.73, 19,467,458,285.66 and 4,135,166,073.87

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Solution

The fourth proportional to 12,978,447,350.73, 19,467,458,285.66 and 4,135,166,073.87 is: 6,202,681,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,978,447,350.73 : 19,467,458,285.66 = 4,135,166,073.87 : x
  2. Step 2: Convert to fraction form
    12,978,447,350.73/19,467,458,285.66 = 4,135,166,073.87/x
  3. Step 3: Cross multiply
    12,978,447,350.73x = 19,467,458,285.66 × 4,135,166,073.87
  4. Step 4: Simplify right side
    12,978,447,350.73x = 80,501,173,047,340,662,784
  5. Step 5: Solve for x
    x = 80,501,173,047,340,662,784/12,978,447,350.73
  6. Step 6: Final answer
    x = 6,202,681,327.89

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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.