Home / 449,327,808.40-673,991,712.60-294,359,612.80

Finding the Fourth Proportional to 449,327,808.40, 673,991,712.60 and 294,359,612.80

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Solution

The fourth proportional to 449,327,808.40, 673,991,712.60 and 294,359,612.80 is: 441,539,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,327,808.40 : 673,991,712.60 = 294,359,612.80 : x
  2. Step 2: Convert to fraction form
    449,327,808.40/673,991,712.60 = 294,359,612.80/x
  3. Step 3: Cross multiply
    449,327,808.40x = 673,991,712.60 × 294,359,612.80
  4. Step 4: Simplify right side
    449,327,808.40x = 198,395,939,551,344,896
  5. Step 5: Solve for x
    x = 198,395,939,551,344,896/449,327,808.40
  6. Step 6: Final answer
    x = 441,539,419.20

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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.