Home / 745,085,194.09-1,028,171,238.98-410,538,994.97

Finding the Fourth Proportional to 745,085,194.09, 1,028,171,238.98 and 410,538,994.97

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Solution

The fourth proportional to 745,085,194.09, 1,028,171,238.98 and 410,538,994.97 is: 566,518,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,085,194.09 : 1,028,171,238.98 = 410,538,994.97 : x
  2. Step 2: Convert to fraction form
    745,085,194.09/1,028,171,238.98 = 410,538,994.97/x
  3. Step 3: Cross multiply
    745,085,194.09x = 1,028,171,238.98 × 410,538,994.97
  4. Step 4: Simplify right side
    745,085,194.09x = 422,104,387,100,715,328
  5. Step 5: Solve for x
    x = 422,104,387,100,715,328/745,085,194.09
  6. Step 6: Final answer
    x = 566,518,286.03

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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.