Home / 419,914,827.40-629,872,241.10-361,464,190.60

Finding the Fourth Proportional to 419,914,827.40, 629,872,241.10 and 361,464,190.60

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Solution

The fourth proportional to 419,914,827.40, 629,872,241.10 and 361,464,190.60 is: 542,196,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,914,827.40 : 629,872,241.10 = 361,464,190.60 : x
  2. Step 2: Convert to fraction form
    419,914,827.40/629,872,241.10 = 361,464,190.60/x
  3. Step 3: Cross multiply
    419,914,827.40x = 629,872,241.10 × 361,464,190.60
  4. Step 4: Simplify right side
    419,914,827.40x = 227,676,259,810,619,584
  5. Step 5: Solve for x
    x = 227,676,259,810,619,584/419,914,827.40
  6. Step 6: Final answer
    x = 542,196,285.90

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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.