Home / 481,071,301.78-663,878,396.52-261,054,727.78

Finding the Fourth Proportional to 481,071,301.78, 663,878,396.52 and 261,054,727.78

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Solution

The fourth proportional to 481,071,301.78, 663,878,396.52 and 261,054,727.78 is: 360,255,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,301.78 : 663,878,396.52 = 261,054,727.78 : x
  2. Step 2: Convert to fraction form
    481,071,301.78/663,878,396.52 = 261,054,727.78/x
  3. Step 3: Cross multiply
    481,071,301.78x = 663,878,396.52 × 261,054,727.78
  4. Step 4: Simplify right side
    481,071,301.78x = 173,308,594,082,551,488
  5. Step 5: Solve for x
    x = 173,308,594,082,551,488/481,071,301.78
  6. Step 6: Final answer
    x = 360,255,524.37

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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.