Home / 320,031,026.20-480,046,539.30-314,929,192.60

Finding the Fourth Proportional to 320,031,026.20, 480,046,539.30 and 314,929,192.60

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Solution

The fourth proportional to 320,031,026.20, 480,046,539.30 and 314,929,192.60 is: 472,393,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,031,026.20 : 480,046,539.30 = 314,929,192.60 : x
  2. Step 2: Convert to fraction form
    320,031,026.20/480,046,539.30 = 314,929,192.60/x
  3. Step 3: Cross multiply
    320,031,026.20x = 480,046,539.30 × 314,929,192.60
  4. Step 4: Simplify right side
    320,031,026.20x = 151,180,669,032,173,184
  5. Step 5: Solve for x
    x = 151,180,669,032,173,184/320,031,026.20
  6. Step 6: Final answer
    x = 472,393,788.90

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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.