Home / 3,964,005,723.63-5,470,431,575.16-2,155,623,358.26

Finding the Fourth Proportional to 3,964,005,723.63, 5,470,431,575.16 and 2,155,623,358.26

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Solution

The fourth proportional to 3,964,005,723.63, 5,470,431,575.16 and 2,155,623,358.26 is: 2,974,816,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,005,723.63 : 5,470,431,575.16 = 2,155,623,358.26 : x
  2. Step 2: Convert to fraction form
    3,964,005,723.63/5,470,431,575.16 = 2,155,623,358.26/x
  3. Step 3: Cross multiply
    3,964,005,723.63x = 5,470,431,575.16 × 2,155,623,358.26
  4. Step 4: Simplify right side
    3,964,005,723.63x = 11,792,190,083,177,940,992
  5. Step 5: Solve for x
    x = 11,792,190,083,177,940,992/3,964,005,723.63
  6. Step 6: Final answer
    x = 2,974,816,613.63

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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.