Home / 629,628,015.60-944,442,023.40-323,517,999.60

Finding the Fourth Proportional to 629,628,015.60, 944,442,023.40 and 323,517,999.60

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Solution

The fourth proportional to 629,628,015.60, 944,442,023.40 and 323,517,999.60 is: 485,276,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,628,015.60 : 944,442,023.40 = 323,517,999.60 : x
  2. Step 2: Convert to fraction form
    629,628,015.60/944,442,023.40 = 323,517,999.60/x
  3. Step 3: Cross multiply
    629,628,015.60x = 944,442,023.40 × 323,517,999.60
  4. Step 4: Simplify right side
    629,628,015.60x = 305,543,994,148,544,384
  5. Step 5: Solve for x
    x = 305,543,994,148,544,384/629,628,015.60
  6. Step 6: Final answer
    x = 485,276,999.40

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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.