Home / 470,964,583.17-649,919,654.64-259,269,693.21

Finding the Fourth Proportional to 470,964,583.17, 649,919,654.64 and 259,269,693.21

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Solution

The fourth proportional to 470,964,583.17, 649,919,654.64 and 259,269,693.21 is: 357,785,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,964,583.17 : 649,919,654.64 = 259,269,693.21 : x
  2. Step 2: Convert to fraction form
    470,964,583.17/649,919,654.64 = 259,269,693.21/x
  3. Step 3: Cross multiply
    470,964,583.17x = 649,919,654.64 × 259,269,693.21
  4. Step 4: Simplify right side
    470,964,583.17x = 168,504,469,469,661,952
  5. Step 5: Solve for x
    x = 168,504,469,469,661,952/470,964,583.17
  6. Step 6: Final answer
    x = 357,785,862.23

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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.