Home / 329,026,934.92-490,598,814.23-319,987,123.48

Finding the Fourth Proportional to 329,026,934.92, 490,598,814.23 and 319,987,123.48

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Solution

The fourth proportional to 329,026,934.92, 490,598,814.23 and 319,987,123.48 is: 477,119,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,026,934.92 : 490,598,814.23 = 319,987,123.48 : x
  2. Step 2: Convert to fraction form
    329,026,934.92/490,598,814.23 = 319,987,123.48/x
  3. Step 3: Cross multiply
    329,026,934.92x = 490,598,814.23 × 319,987,123.48
  4. Step 4: Simplify right side
    329,026,934.92x = 156,985,303,348,156,608
  5. Step 5: Solve for x
    x = 156,985,303,348,156,608/329,026,934.92
  6. Step 6: Final answer
    x = 477,119,915.38

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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.