Home / 497,674,665.40-746,511,998.10-449,301,724.60

Finding the Fourth Proportional to 497,674,665.40, 746,511,998.10 and 449,301,724.60

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Solution

The fourth proportional to 497,674,665.40, 746,511,998.10 and 449,301,724.60 is: 673,952,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,674,665.40 : 746,511,998.10 = 449,301,724.60 : x
  2. Step 2: Convert to fraction form
    497,674,665.40/746,511,998.10 = 449,301,724.60/x
  3. Step 3: Cross multiply
    497,674,665.40x = 746,511,998.10 × 449,301,724.60
  4. Step 4: Simplify right side
    497,674,665.40x = 335,409,128,180,921,920
  5. Step 5: Solve for x
    x = 335,409,128,180,921,920/497,674,665.40
  6. Step 6: Final answer
    x = 673,952,586.90

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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.