Home / 449,069,112.80-673,603,669.20-443,022,495.20

Finding the Fourth Proportional to 449,069,112.80, 673,603,669.20 and 443,022,495.20

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Solution

The fourth proportional to 449,069,112.80, 673,603,669.20 and 443,022,495.20 is: 664,533,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,069,112.80 : 673,603,669.20 = 443,022,495.20 : x
  2. Step 2: Convert to fraction form
    449,069,112.80/673,603,669.20 = 443,022,495.20/x
  3. Step 3: Cross multiply
    449,069,112.80x = 673,603,669.20 × 443,022,495.20
  4. Step 4: Simplify right side
    449,069,112.80x = 298,421,578,304,859,392
  5. Step 5: Solve for x
    x = 298,421,578,304,859,392/449,069,112.80
  6. Step 6: Final answer
    x = 664,533,742.80

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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.