Home / 397,827,478.29-548,977,183.43-219,201,370.51

Finding the Fourth Proportional to 397,827,478.29, 548,977,183.43 and 219,201,370.51

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Solution

The fourth proportional to 397,827,478.29, 548,977,183.43 and 219,201,370.51 is: 302,484,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,827,478.29 : 548,977,183.43 = 219,201,370.51 : x
  2. Step 2: Convert to fraction form
    397,827,478.29/548,977,183.43 = 219,201,370.51/x
  3. Step 3: Cross multiply
    397,827,478.29x = 548,977,183.43 × 219,201,370.51
  4. Step 4: Simplify right side
    397,827,478.29x = 120,336,550,988,534,880
  5. Step 5: Solve for x
    x = 120,336,550,988,534,880/397,827,478.29
  6. Step 6: Final answer
    x = 302,484,261.54

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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.