Home / 329,026,903.90-490,598,768.42-319,987,092.52

Finding the Fourth Proportional to 329,026,903.90, 490,598,768.42 and 319,987,092.52

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Solution

The fourth proportional to 329,026,903.90, 490,598,768.42 and 319,987,092.52 is: 477,119,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,026,903.90 : 490,598,768.42 = 319,987,092.52 : x
  2. Step 2: Convert to fraction form
    329,026,903.90/490,598,768.42 = 319,987,092.52/x
  3. Step 3: Cross multiply
    329,026,903.90x = 490,598,768.42 × 319,987,092.52
  4. Step 4: Simplify right side
    329,026,903.90x = 156,985,273,500,608,576
  5. Step 5: Solve for x
    x = 156,985,273,500,608,576/329,026,903.90
  6. Step 6: Final answer
    x = 477,119,869.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.