Home / 320,031,026.70-480,046,540.05-314,929,193.10

Finding the Fourth Proportional to 320,031,026.70, 480,046,540.05 and 314,929,193.10

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Solution

The fourth proportional to 320,031,026.70, 480,046,540.05 and 314,929,193.10 is: 472,393,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,031,026.70 : 480,046,540.05 = 314,929,193.10 : x
  2. Step 2: Convert to fraction form
    320,031,026.70/480,046,540.05 = 314,929,193.10/x
  3. Step 3: Cross multiply
    320,031,026.70x = 480,046,540.05 × 314,929,193.10
  4. Step 4: Simplify right side
    320,031,026.70x = 151,180,669,508,393,344
  5. Step 5: Solve for x
    x = 151,180,669,508,393,344/320,031,026.70
  6. Step 6: Final answer
    x = 472,393,789.65

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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.