Home / 419,905,517.40-629,858,276.10-147,177,869.40

Finding the Fourth Proportional to 419,905,517.40, 629,858,276.10 and 147,177,869.40

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Solution

The fourth proportional to 419,905,517.40, 629,858,276.10 and 147,177,869.40 is: 220,766,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,517.40 : 629,858,276.10 = 147,177,869.40 : x
  2. Step 2: Convert to fraction form
    419,905,517.40/629,858,276.10 = 147,177,869.40/x
  3. Step 3: Cross multiply
    419,905,517.40x = 629,858,276.10 × 147,177,869.40
  4. Step 4: Simplify right side
    419,905,517.40x = 92,701,199,100,354,944
  5. Step 5: Solve for x
    x = 92,701,199,100,354,944/419,905,517.40
  6. Step 6: Final answer
    x = 220,766,804.10

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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.