Home / 419,905,511.10-629,858,266.65-113,228,624.70

Finding the Fourth Proportional to 419,905,511.10, 629,858,266.65 and 113,228,624.70

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Solution

The fourth proportional to 419,905,511.10, 629,858,266.65 and 113,228,624.70 is: 169,842,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,511.10 : 629,858,266.65 = 113,228,624.70 : x
  2. Step 2: Convert to fraction form
    419,905,511.10/629,858,266.65 = 113,228,624.70/x
  3. Step 3: Cross multiply
    419,905,511.10x = 629,858,266.65 × 113,228,624.70
  4. Step 4: Simplify right side
    419,905,511.10x = 71,317,985,288,705,376
  5. Step 5: Solve for x
    x = 71,317,985,288,705,376/419,905,511.10
  6. Step 6: Final answer
    x = 169,842,937.05

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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.