Home / 419,905,511.40-629,858,267.10-177,568,415.40

Finding the Fourth Proportional to 419,905,511.40, 629,858,267.10 and 177,568,415.40

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Solution

The fourth proportional to 419,905,511.40, 629,858,267.10 and 177,568,415.40 is: 266,352,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,511.40 : 629,858,267.10 = 177,568,415.40 : x
  2. Step 2: Convert to fraction form
    419,905,511.40/629,858,267.10 = 177,568,415.40/x
  3. Step 3: Cross multiply
    419,905,511.40x = 629,858,267.10 × 177,568,415.40
  4. Step 4: Simplify right side
    419,905,511.40x = 111,842,934,415,536,960
  5. Step 5: Solve for x
    x = 111,842,934,415,536,960/419,905,511.40
  6. Step 6: Final answer
    x = 266,352,623.10

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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.