Home / 481,168,268.16-664,018,580.16-261,154,331.52

Finding the Fourth Proportional to 481,168,268.16, 664,018,580.16 and 261,154,331.52

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Solution

The fourth proportional to 481,168,268.16, 664,018,580.16 and 261,154,331.52 is: 360,396,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,168,268.16 : 664,018,580.16 = 261,154,331.52 : x
  2. Step 2: Convert to fraction form
    481,168,268.16/664,018,580.16 = 261,154,331.52/x
  3. Step 3: Cross multiply
    481,168,268.16x = 664,018,580.16 × 261,154,331.52
  4. Step 4: Simplify right side
    481,168,268.16x = 173,411,328,418,544,320
  5. Step 5: Solve for x
    x = 173,411,328,418,544,320/481,168,268.16
  6. Step 6: Final answer
    x = 360,396,434.87

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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.