Home / 378,749,185.12-567,621,533.10-194,509,219.24

Finding the Fourth Proportional to 378,749,185.12, 567,621,533.10 and 194,509,219.24

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Solution

The fourth proportional to 378,749,185.12, 567,621,533.10 and 194,509,219.24 is: 291,505,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,749,185.12 : 567,621,533.10 = 194,509,219.24 : x
  2. Step 2: Convert to fraction form
    378,749,185.12/567,621,533.10 = 194,509,219.24/x
  3. Step 3: Cross multiply
    378,749,185.12x = 567,621,533.10 × 194,509,219.24
  4. Step 4: Simplify right side
    378,749,185.12x = 110,407,621,227,092,832
  5. Step 5: Solve for x
    x = 110,407,621,227,092,832/378,749,185.12
  6. Step 6: Final answer
    x = 291,505,897.74

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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.