Home / 511,188,072.45-766,782,071-123,010,944.02

Finding the Fourth Proportional to 511,188,072.45, 766,782,071 and 123,010,944.02

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Solution

The fourth proportional to 511,188,072.45, 766,782,071 and 123,010,944.02 is: 184,516,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,188,072.45 : 766,782,071 = 123,010,944.02 : x
  2. Step 2: Convert to fraction form
    511,188,072.45/766,782,071 = 123,010,944.02/x
  3. Step 3: Cross multiply
    511,188,072.45x = 766,782,071 × 123,010,944.02
  4. Step 4: Simplify right side
    511,188,072.45x = 94,322,586,411,320,656
  5. Step 5: Solve for x
    x = 94,322,586,411,320,656/511,188,072.45
  6. Step 6: Final answer
    x = 184,516,406.96

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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.