Home / 664,848,002.70-997,272,004.05-319,623,929.10

Finding the Fourth Proportional to 664,848,002.70, 997,272,004.05 and 319,623,929.10

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Solution

The fourth proportional to 664,848,002.70, 997,272,004.05 and 319,623,929.10 is: 479,435,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,848,002.70 : 997,272,004.05 = 319,623,929.10 : x
  2. Step 2: Convert to fraction form
    664,848,002.70/997,272,004.05 = 319,623,929.10/x
  3. Step 3: Cross multiply
    664,848,002.70x = 997,272,004.05 × 319,623,929.10
  4. Step 4: Simplify right side
    664,848,002.70x = 318,751,996,315,892,096
  5. Step 5: Solve for x
    x = 318,751,996,315,892,096/664,848,002.70
  6. Step 6: Final answer
    x = 479,435,893.65

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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.