Home / 685,379,752,544.52-945,811,334,382.68-376,724,513,209.84

Finding the Fourth Proportional to 685,379,752,544.52, 945,811,334,382.68 and 376,724,513,209.84

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Solution

The fourth proportional to 685,379,752,544.52, 945,811,334,382.68 and 376,724,513,209.84 is: 519,872,834,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,379,752,544.52 : 945,811,334,382.68 = 376,724,513,209.84 : x
  2. Step 2: Convert to fraction form
    685,379,752,544.52/945,811,334,382.68 = 376,724,513,209.84/x
  3. Step 3: Cross multiply
    685,379,752,544.52x = 945,811,334,382.68 × 376,724,513,209.84
  4. Step 4: Simplify right side
    685,379,752,544.52x = 356,310,314,533,664,365,477,888
  5. Step 5: Solve for x
    x = 356,310,314,533,664,365,477,888/685,379,752,544.52
  6. Step 6: Final answer
    x = 519,872,834,309.50

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Double scale
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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.