Home / 404,267,237.51-557,890,468.94-218,628,253.19

Finding the Fourth Proportional to 404,267,237.51, 557,890,468.94 and 218,628,253.19

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Solution

The fourth proportional to 404,267,237.51, 557,890,468.94 and 218,628,253.19 is: 301,707,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,267,237.51 : 557,890,468.94 = 218,628,253.19 : x
  2. Step 2: Convert to fraction form
    404,267,237.51/557,890,468.94 = 218,628,253.19/x
  3. Step 3: Cross multiply
    404,267,237.51x = 557,890,468.94 × 218,628,253.19
  4. Step 4: Simplify right side
    404,267,237.51x = 121,970,618,697,643,440
  5. Step 5: Solve for x
    x = 121,970,618,697,643,440/404,267,237.51
  6. Step 6: Final answer
    x = 301,707,898.59

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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.