Home / 449,323,410.90-673,985,116.35-376,763,999.70

Finding the Fourth Proportional to 449,323,410.90, 673,985,116.35 and 376,763,999.70

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Solution

The fourth proportional to 449,323,410.90, 673,985,116.35 and 376,763,999.70 is: 565,145,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,323,410.90 : 673,985,116.35 = 376,763,999.70 : x
  2. Step 2: Convert to fraction form
    449,323,410.90/673,985,116.35 = 376,763,999.70/x
  3. Step 3: Cross multiply
    449,323,410.90x = 673,985,116.35 × 376,763,999.70
  4. Step 4: Simplify right side
    449,323,410.90x = 253,933,328,174,295,872
  5. Step 5: Solve for x
    x = 253,933,328,174,295,872/449,323,410.90
  6. Step 6: Final answer
    x = 565,145,999.55

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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.