Home / 489,384,519.68-675,365,252.88-301,321,308.24

Finding the Fourth Proportional to 489,384,519.68, 675,365,252.88 and 301,321,308.24

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Solution

The fourth proportional to 489,384,519.68, 675,365,252.88 and 301,321,308.24 is: 415,832,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,384,519.68 : 675,365,252.88 = 301,321,308.24 : x
  2. Step 2: Convert to fraction form
    489,384,519.68/675,365,252.88 = 301,321,308.24/x
  3. Step 3: Cross multiply
    489,384,519.68x = 675,365,252.88 × 301,321,308.24
  4. Step 4: Simplify right side
    489,384,519.68x = 203,501,941,537,640,032
  5. Step 5: Solve for x
    x = 203,501,941,537,640,032/489,384,519.68
  6. Step 6: Final answer
    x = 415,832,404.49

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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.