Home / 418,536,517.86-627,806,468.88-169,546,484.88

Finding the Fourth Proportional to 418,536,517.86, 627,806,468.88 and 169,546,484.88

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Solution

The fourth proportional to 418,536,517.86, 627,806,468.88 and 169,546,484.88 is: 254,320,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,536,517.86 : 627,806,468.88 = 169,546,484.88 : x
  2. Step 2: Convert to fraction form
    418,536,517.86/627,806,468.88 = 169,546,484.88/x
  3. Step 3: Cross multiply
    418,536,517.86x = 627,806,468.88 × 169,546,484.88
  4. Step 4: Simplify right side
    418,536,517.86x = 106,442,379,983,529,104
  5. Step 5: Solve for x
    x = 106,442,379,983,529,104/418,536,517.86
  6. Step 6: Final answer
    x = 254,320,412.77

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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.