Home / 681,556,226.38-940,387,400.30-413,626,120.29

Finding the Fourth Proportional to 681,556,226.38, 940,387,400.30 and 413,626,120.29

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Solution

The fourth proportional to 681,556,226.38, 940,387,400.30 and 413,626,120.29 is: 570,706,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,556,226.38 : 940,387,400.30 = 413,626,120.29 : x
  2. Step 2: Convert to fraction form
    681,556,226.38/940,387,400.30 = 413,626,120.29/x
  3. Step 3: Cross multiply
    681,556,226.38x = 940,387,400.30 × 413,626,120.29
  4. Step 4: Simplify right side
    681,556,226.38x = 388,968,791,956,722,240
  5. Step 5: Solve for x
    x = 388,968,791,956,722,240/681,556,226.38
  6. Step 6: Final answer
    x = 570,706,827.85

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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.