Home / 508,361,508.62-701,500,381.55-285,300,109.83

Finding the Fourth Proportional to 508,361,508.62, 701,500,381.55 and 285,300,109.83

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Solution

The fourth proportional to 508,361,508.62, 701,500,381.55 and 285,300,109.83 is: 393,692,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,361,508.62 : 701,500,381.55 = 285,300,109.83 : x
  2. Step 2: Convert to fraction form
    508,361,508.62/701,500,381.55 = 285,300,109.83/x
  3. Step 3: Cross multiply
    508,361,508.62x = 701,500,381.55 × 285,300,109.83
  4. Step 4: Simplify right side
    508,361,508.62x = 200,138,135,900,575,392
  5. Step 5: Solve for x
    x = 200,138,135,900,575,392/508,361,508.62
  6. Step 6: Final answer
    x = 393,692,544.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.