Home / 378,050,452.48-567,158,965.20-115,736,987.44

Finding the Fourth Proportional to 378,050,452.48, 567,158,965.20 and 115,736,987.44

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Solution

The fourth proportional to 378,050,452.48, 567,158,965.20 and 115,736,987.44 is: 173,630,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,050,452.48 : 567,158,965.20 = 115,736,987.44 : x
  2. Step 2: Convert to fraction form
    378,050,452.48/567,158,965.20 = 115,736,987.44/x
  3. Step 3: Cross multiply
    378,050,452.48x = 567,158,965.20 × 115,736,987.44
  4. Step 4: Simplify right side
    378,050,452.48x = 65,641,270,031,835,800
  5. Step 5: Solve for x
    x = 65,641,270,031,835,800/378,050,452.48
  6. Step 6: Final answer
    x = 173,630,978.62

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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.