Home / 404,293,626.21-557,925,205.05-218,654,641.89

Finding the Fourth Proportional to 404,293,626.21, 557,925,205.05 and 218,654,641.89

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Solution

The fourth proportional to 404,293,626.21, 557,925,205.05 and 218,654,641.89 is: 301,743,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,293,626.21 : 557,925,205.05 = 218,654,641.89 : x
  2. Step 2: Convert to fraction form
    404,293,626.21/557,925,205.05 = 218,654,641.89/x
  3. Step 3: Cross multiply
    404,293,626.21x = 557,925,205.05 × 218,654,641.89
  4. Step 4: Simplify right side
    404,293,626.21x = 121,992,935,911,612,544
  5. Step 5: Solve for x
    x = 121,992,935,911,612,544/404,293,626.21
  6. Step 6: Final answer
    x = 301,743,406.28

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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.