Home / 836,361,375.92-1,154,422,000.32-557,902,235.16

Finding the Fourth Proportional to 836,361,375.92, 1,154,422,000.32 and 557,902,235.16

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Solution

The fourth proportional to 836,361,375.92, 1,154,422,000.32 and 557,902,235.16 is: 770,067,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,361,375.92 : 1,154,422,000.32 = 557,902,235.16 : x
  2. Step 2: Convert to fraction form
    836,361,375.92/1,154,422,000.32 = 557,902,235.16/x
  3. Step 3: Cross multiply
    836,361,375.92x = 1,154,422,000.32 × 557,902,235.16
  4. Step 4: Simplify right side
    836,361,375.92x = 644,054,614,296,406,144
  5. Step 5: Solve for x
    x = 644,054,614,296,406,144/836,361,375.92
  6. Step 6: Final answer
    x = 770,067,380.97

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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.