Home / 511,188,073.45-766,782,072.50-123,010,945.02

Finding the Fourth Proportional to 511,188,073.45, 766,782,072.50 and 123,010,945.02

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Solution

The fourth proportional to 511,188,073.45, 766,782,072.50 and 123,010,945.02 is: 184,516,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,188,073.45 : 766,782,072.50 = 123,010,945.02 : x
  2. Step 2: Convert to fraction form
    511,188,073.45/766,782,072.50 = 123,010,945.02/x
  3. Step 3: Cross multiply
    511,188,073.45x = 766,782,072.50 × 123,010,945.02
  4. Step 4: Simplify right side
    511,188,073.45x = 94,322,587,362,619,152
  5. Step 5: Solve for x
    x = 94,322,587,362,619,152/511,188,073.45
  6. Step 6: Final answer
    x = 184,516,408.46

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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.