Home / 557,253,513,571.85-768,997,795,495.38-322,618,696,210.45

Finding the Fourth Proportional to 557,253,513,571.85, 768,997,795,495.38 and 322,618,696,210.45

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Solution

The fourth proportional to 557,253,513,571.85, 768,997,795,495.38 and 322,618,696,210.45 is: 445,206,822,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,253,513,571.85 : 768,997,795,495.38 = 322,618,696,210.45 : x
  2. Step 2: Convert to fraction form
    557,253,513,571.85/768,997,795,495.38 = 322,618,696,210.45/x
  3. Step 3: Cross multiply
    557,253,513,571.85x = 768,997,795,495.38 × 322,618,696,210.45
  4. Step 4: Simplify right side
    557,253,513,571.85x = 248,093,066,171,429,769,183,232
  5. Step 5: Solve for x
    x = 248,093,066,171,429,769,183,232/557,253,513,571.85
  6. Step 6: Final answer
    x = 445,206,822,620.49

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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.