Home / 378,433,342.20-567,650,013.30-163,022,590.20

Finding the Fourth Proportional to 378,433,342.20, 567,650,013.30 and 163,022,590.20

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Solution

The fourth proportional to 378,433,342.20, 567,650,013.30 and 163,022,590.20 is: 244,533,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,433,342.20 : 567,650,013.30 = 163,022,590.20 : x
  2. Step 2: Convert to fraction form
    378,433,342.20/567,650,013.30 = 163,022,590.20/x
  3. Step 3: Cross multiply
    378,433,342.20x = 567,650,013.30 × 163,022,590.20
  4. Step 4: Simplify right side
    378,433,342.20x = 92,539,775,495,230,432
  5. Step 5: Solve for x
    x = 92,539,775,495,230,432/378,433,342.20
  6. Step 6: Final answer
    x = 244,533,885.30

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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.