Home / 378,749,170.98-567,621,511.92-194,509,205.10

Finding the Fourth Proportional to 378,749,170.98, 567,621,511.92 and 194,509,205.10

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Solution

The fourth proportional to 378,749,170.98, 567,621,511.92 and 194,509,205.10 is: 291,505,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,749,170.98 : 567,621,511.92 = 194,509,205.10 : x
  2. Step 2: Convert to fraction form
    378,749,170.98/567,621,511.92 = 194,509,205.10/x
  3. Step 3: Cross multiply
    378,749,170.98x = 567,621,511.92 × 194,509,205.10
  4. Step 4: Simplify right side
    378,749,170.98x = 110,407,609,081,219,360
  5. Step 5: Solve for x
    x = 110,407,609,081,219,360/378,749,170.98
  6. Step 6: Final answer
    x = 291,505,876.56

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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.