Home / 491,411,805.58-677,699,160.87-384,135,300.58

Finding the Fourth Proportional to 491,411,805.58, 677,699,160.87 and 384,135,300.58

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Solution

The fourth proportional to 491,411,805.58, 677,699,160.87 and 384,135,300.58 is: 529,755,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,411,805.58 : 677,699,160.87 = 384,135,300.58 : x
  2. Step 2: Convert to fraction form
    491,411,805.58/677,699,160.87 = 384,135,300.58/x
  3. Step 3: Cross multiply
    491,411,805.58x = 677,699,160.87 × 384,135,300.58
  4. Step 4: Simplify right side
    491,411,805.58x = 260,328,170,860,222,720
  5. Step 5: Solve for x
    x = 260,328,170,860,222,720/491,411,805.58
  6. Step 6: Final answer
    x = 529,755,630.42

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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.