Home / 403,791,160.33-557,231,817.60-218,152,175.41

Finding the Fourth Proportional to 403,791,160.33, 557,231,817.60 and 218,152,175.41

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Solution

The fourth proportional to 403,791,160.33, 557,231,817.60 and 218,152,175.41 is: 301,050,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,791,160.33 : 557,231,817.60 = 218,152,175.41 : x
  2. Step 2: Convert to fraction form
    403,791,160.33/557,231,817.60 = 218,152,175.41/x
  3. Step 3: Cross multiply
    403,791,160.33x = 557,231,817.60 × 218,152,175.41
  4. Step 4: Simplify right side
    403,791,160.33x = 121,561,333,217,108,336
  5. Step 5: Solve for x
    x = 121,561,333,217,108,336/403,791,160.33
  6. Step 6: Final answer
    x = 301,050,010.90

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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.