Home / 766,040,405.92-1,149,222,009.60-248,430,486.16

Finding the Fourth Proportional to 766,040,405.92, 1,149,222,009.60 and 248,430,486.16

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Solution

The fourth proportional to 766,040,405.92, 1,149,222,009.60 and 248,430,486.16 is: 372,698,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,040,405.92 : 1,149,222,009.60 = 248,430,486.16 : x
  2. Step 2: Convert to fraction form
    766,040,405.92/1,149,222,009.60 = 248,430,486.16/x
  3. Step 3: Cross multiply
    766,040,405.92x = 1,149,222,009.60 × 248,430,486.16
  4. Step 4: Simplify right side
    766,040,405.92x = 285,501,782,550,700,160
  5. Step 5: Solve for x
    x = 285,501,782,550,700,160/766,040,405.92
  6. Step 6: Final answer
    x = 372,698,072.25

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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.