Home / 785,492,721.39-1,085,014,673.24-582,220,154.33

Finding the Fourth Proportional to 785,492,721.39, 1,085,014,673.24 and 582,220,154.33

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Solution

The fourth proportional to 785,492,721.39, 1,085,014,673.24 and 582,220,154.33 is: 804,230,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,492,721.39 : 1,085,014,673.24 = 582,220,154.33 : x
  2. Step 2: Convert to fraction form
    785,492,721.39/1,085,014,673.24 = 582,220,154.33/x
  3. Step 3: Cross multiply
    785,492,721.39x = 1,085,014,673.24 × 582,220,154.33
  4. Step 4: Simplify right side
    785,492,721.39x = 631,717,410,504,107,392
  5. Step 5: Solve for x
    x = 631,717,410,504,107,392/785,492,721.39
  6. Step 6: Final answer
    x = 804,230,762.81

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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.