Home / 481,519,174.83-721,052,618.86-317,258,940.20

Finding the Fourth Proportional to 481,519,174.83, 721,052,618.86 and 317,258,940.20

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Solution

The fourth proportional to 481,519,174.83, 721,052,618.86 and 317,258,940.20 is: 475,080,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,519,174.83 : 721,052,618.86 = 317,258,940.20 : x
  2. Step 2: Convert to fraction form
    481,519,174.83/721,052,618.86 = 317,258,940.20/x
  3. Step 3: Cross multiply
    481,519,174.83x = 721,052,618.86 × 317,258,940.20
  4. Step 4: Simplify right side
    481,519,174.83x = 228,760,389,683,559,712
  5. Step 5: Solve for x
    x = 228,760,389,683,559,712/481,519,174.83
  6. Step 6: Final answer
    x = 475,080,540.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.