Home / 404,267,492.74-557,890,821.45-218,628,508.43

Finding the Fourth Proportional to 404,267,492.74, 557,890,821.45 and 218,628,508.43

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Solution

The fourth proportional to 404,267,492.74, 557,890,821.45 and 218,628,508.43 is: 301,708,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,267,492.74 : 557,890,821.45 = 218,628,508.43 : x
  2. Step 2: Convert to fraction form
    404,267,492.74/557,890,821.45 = 218,628,508.43/x
  3. Step 3: Cross multiply
    404,267,492.74x = 557,890,821.45 × 218,628,508.43
  4. Step 4: Simplify right side
    404,267,492.74x = 121,970,838,157,611,520
  5. Step 5: Solve for x
    x = 121,970,838,157,611,520/404,267,492.74
  6. Step 6: Final answer
    x = 301,708,250.97

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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.