Home / 557,253,513,560.25-768,997,795,479.40-322,618,696,198.86

Finding the Fourth Proportional to 557,253,513,560.25, 768,997,795,479.40 and 322,618,696,198.86

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Solution

The fourth proportional to 557,253,513,560.25, 768,997,795,479.40 and 322,618,696,198.86 is: 445,206,822,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,253,513,560.25 : 768,997,795,479.40 = 322,618,696,198.86 : x
  2. Step 2: Convert to fraction form
    557,253,513,560.25/768,997,795,479.40 = 322,618,696,198.86/x
  3. Step 3: Cross multiply
    557,253,513,560.25x = 768,997,795,479.40 × 322,618,696,198.86
  4. Step 4: Simplify right side
    557,253,513,560.25x = 248,093,066,157,361,637,359,616
  5. Step 5: Solve for x
    x = 248,093,066,157,361,637,359,616/557,253,513,560.25
  6. Step 6: Final answer
    x = 445,206,822,604.52

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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.