Home / 664,299,460.10-996,449,190.15-319,169,864.90

Finding the Fourth Proportional to 664,299,460.10, 996,449,190.15 and 319,169,864.90

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Solution

The fourth proportional to 664,299,460.10, 996,449,190.15 and 319,169,864.90 is: 478,754,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,299,460.10 : 996,449,190.15 = 319,169,864.90 : x
  2. Step 2: Convert to fraction form
    664,299,460.10/996,449,190.15 = 319,169,864.90/x
  3. Step 3: Cross multiply
    664,299,460.10x = 996,449,190.15 × 319,169,864.90
  4. Step 4: Simplify right side
    664,299,460.10x = 318,036,553,399,889,856
  5. Step 5: Solve for x
    x = 318,036,553,399,889,856/664,299,460.10
  6. Step 6: Final answer
    x = 478,754,797.35

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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.