Home / 320,467,600.53-480,686,955.66-133,644,612.69

Finding the Fourth Proportional to 320,467,600.53, 480,686,955.66 and 133,644,612.69

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Solution

The fourth proportional to 320,467,600.53, 480,686,955.66 and 133,644,612.69 is: 200,460,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,467,600.53 : 480,686,955.66 = 133,644,612.69 : x
  2. Step 2: Convert to fraction form
    320,467,600.53/480,686,955.66 = 133,644,612.69/x
  3. Step 3: Cross multiply
    320,467,600.53x = 480,686,955.66 × 133,644,612.69
  4. Step 4: Simplify right side
    320,467,600.53x = 64,241,222,014,315,904
  5. Step 5: Solve for x
    x = 64,241,222,014,315,904/320,467,600.53
  6. Step 6: Final answer
    x = 200,460,894.98

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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.