Home / 481,168,344.66-664,018,685.73-261,154,408.02

Finding the Fourth Proportional to 481,168,344.66, 664,018,685.73 and 261,154,408.02

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Solution

The fourth proportional to 481,168,344.66, 664,018,685.73 and 261,154,408.02 is: 360,396,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,168,344.66 : 664,018,685.73 = 261,154,408.02 : x
  2. Step 2: Convert to fraction form
    481,168,344.66/664,018,685.73 = 261,154,408.02/x
  3. Step 3: Cross multiply
    481,168,344.66x = 664,018,685.73 × 261,154,408.02
  4. Step 4: Simplify right side
    481,168,344.66x = 173,411,406,786,036,576
  5. Step 5: Solve for x
    x = 173,411,406,786,036,576/481,168,344.66
  6. Step 6: Final answer
    x = 360,396,540.44

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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.