Home / 491,411,804.33-677,699,159.15-384,135,299.33

Finding the Fourth Proportional to 491,411,804.33, 677,699,159.15 and 384,135,299.33

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Solution

The fourth proportional to 491,411,804.33, 677,699,159.15 and 384,135,299.33 is: 529,755,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,411,804.33 : 677,699,159.15 = 384,135,299.33 : x
  2. Step 2: Convert to fraction form
    491,411,804.33/677,699,159.15 = 384,135,299.33/x
  3. Step 3: Cross multiply
    491,411,804.33x = 677,699,159.15 × 384,135,299.33
  4. Step 4: Simplify right side
    491,411,804.33x = 260,328,169,350,465,376
  5. Step 5: Solve for x
    x = 260,328,169,350,465,376/491,411,804.33
  6. Step 6: Final answer
    x = 529,755,628.70

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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.