Home / 320,467,629.78-480,686,999.49-133,644,641.94

Finding the Fourth Proportional to 320,467,629.78, 480,686,999.49 and 133,644,641.94

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Solution

The fourth proportional to 320,467,629.78, 480,686,999.49 and 133,644,641.94 is: 200,460,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,467,629.78 : 480,686,999.49 = 133,644,641.94 : x
  2. Step 2: Convert to fraction form
    320,467,629.78/480,686,999.49 = 133,644,641.94/x
  3. Step 3: Cross multiply
    320,467,629.78x = 480,686,999.49 × 133,644,641.94
  4. Step 4: Simplify right side
    320,467,629.78x = 64,241,241,932,054,016
  5. Step 5: Solve for x
    x = 64,241,241,932,054,016/320,467,629.78
  6. Step 6: Final answer
    x = 200,460,938.84

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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.