Home / 378,433,419.20-567,650,128.80-163,022,667.20

Finding the Fourth Proportional to 378,433,419.20, 567,650,128.80 and 163,022,667.20

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Solution

The fourth proportional to 378,433,419.20, 567,650,128.80 and 163,022,667.20 is: 244,534,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,433,419.20 : 567,650,128.80 = 163,022,667.20 : x
  2. Step 2: Convert to fraction form
    378,433,419.20/567,650,128.80 = 163,022,667.20/x
  3. Step 3: Cross multiply
    378,433,419.20x = 567,650,128.80 × 163,022,667.20
  4. Step 4: Simplify right side
    378,433,419.20x = 92,539,838,033,399,520
  5. Step 5: Solve for x
    x = 92,539,838,033,399,520/378,433,419.20
  6. Step 6: Final answer
    x = 244,534,000.80

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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.