Home / 419,907,029.10-629,860,543.65-413,104,584.30

Finding the Fourth Proportional to 419,907,029.10, 629,860,543.65 and 413,104,584.30

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Solution

The fourth proportional to 419,907,029.10, 629,860,543.65 and 413,104,584.30 is: 619,656,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,907,029.10 : 629,860,543.65 = 413,104,584.30 : x
  2. Step 2: Convert to fraction form
    419,907,029.10/629,860,543.65 = 413,104,584.30/x
  3. Step 3: Cross multiply
    419,907,029.10x = 629,860,543.65 × 413,104,584.30
  4. Step 4: Simplify right side
    419,907,029.10x = 260,198,278,051,505,248
  5. Step 5: Solve for x
    x = 260,198,278,051,505,248/419,907,029.10
  6. Step 6: Final answer
    x = 619,656,876.45

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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.