Home / 320,031,027.20-480,046,540.80-314,929,193.60

Finding the Fourth Proportional to 320,031,027.20, 480,046,540.80 and 314,929,193.60

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Solution

The fourth proportional to 320,031,027.20, 480,046,540.80 and 314,929,193.60 is: 472,393,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,031,027.20 : 480,046,540.80 = 314,929,193.60 : x
  2. Step 2: Convert to fraction form
    320,031,027.20/480,046,540.80 = 314,929,193.60/x
  3. Step 3: Cross multiply
    320,031,027.20x = 480,046,540.80 × 314,929,193.60
  4. Step 4: Simplify right side
    320,031,027.20x = 151,180,669,984,613,504
  5. Step 5: Solve for x
    x = 151,180,669,984,613,504/320,031,027.20
  6. Step 6: Final answer
    x = 472,393,790.40

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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.