Home / 403,877,667.44-557,351,157-218,238,677.12

Finding the Fourth Proportional to 403,877,667.44, 557,351,157 and 218,238,677.12

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Solution

The fourth proportional to 403,877,667.44, 557,351,157 and 218,238,677.12 is: 301,169,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,877,667.44 : 557,351,157 = 218,238,677.12 : x
  2. Step 2: Convert to fraction form
    403,877,667.44/557,351,157 = 218,238,677.12/x
  3. Step 3: Cross multiply
    403,877,667.44x = 557,351,157 × 218,238,677.12
  4. Step 4: Simplify right side
    403,877,667.44x = 121,635,579,194,981,424
  5. Step 5: Solve for x
    x = 121,635,579,194,981,424/403,877,667.44
  6. Step 6: Final answer
    x = 301,169,361.42

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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.