Home / 986,209,356.01-1,360,590,257.79-562,846,540.39

Finding the Fourth Proportional to 986,209,356.01, 1,360,590,257.79 and 562,846,540.39

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Solution

The fourth proportional to 986,209,356.01, 1,360,590,257.79 and 562,846,540.39 is: 776,512,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,209,356.01 : 1,360,590,257.79 = 562,846,540.39 : x
  2. Step 2: Convert to fraction form
    986,209,356.01/1,360,590,257.79 = 562,846,540.39/x
  3. Step 3: Cross multiply
    986,209,356.01x = 1,360,590,257.79 × 562,846,540.39
  4. Step 4: Simplify right side
    986,209,356.01x = 765,803,519,485,439,744
  5. Step 5: Solve for x
    x = 765,803,519,485,439,744/986,209,356.01
  6. Step 6: Final answer
    x = 776,512,121.71

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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.