Home / 404,293,629.96-557,925,210.23-218,654,645.63

Finding the Fourth Proportional to 404,293,629.96, 557,925,210.23 and 218,654,645.63

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Solution

The fourth proportional to 404,293,629.96, 557,925,210.23 and 218,654,645.63 is: 301,743,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,293,629.96 : 557,925,210.23 = 218,654,645.63 : x
  2. Step 2: Convert to fraction form
    404,293,629.96/557,925,210.23 = 218,654,645.63/x
  3. Step 3: Cross multiply
    404,293,629.96x = 557,925,210.23 × 218,654,645.63
  4. Step 4: Simplify right side
    404,293,629.96x = 121,992,939,130,883,904
  5. Step 5: Solve for x
    x = 121,992,939,130,883,904/404,293,629.96
  6. Step 6: Final answer
    x = 301,743,411.45

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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.