Home / 397,612,581.36-548,700,130.92-218,993,040.24

Finding the Fourth Proportional to 397,612,581.36, 548,700,130.92 and 218,993,040.24

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Solution

The fourth proportional to 397,612,581.36, 548,700,130.92 and 218,993,040.24 is: 302,207,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,612,581.36 : 548,700,130.92 = 218,993,040.24 : x
  2. Step 2: Convert to fraction form
    397,612,581.36/548,700,130.92 = 218,993,040.24/x
  3. Step 3: Cross multiply
    397,612,581.36x = 548,700,130.92 × 218,993,040.24
  4. Step 4: Simplify right side
    397,612,581.36x = 120,161,509,850,256,832
  5. Step 5: Solve for x
    x = 120,161,509,850,256,832/397,612,581.36
  6. Step 6: Final answer
    x = 302,207,514.26

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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.