Home / 395,216,087.27-545,401,449.78-219,007,025.33

Finding the Fourth Proportional to 395,216,087.27, 545,401,449.78 and 219,007,025.33

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Solution

The fourth proportional to 395,216,087.27, 545,401,449.78 and 219,007,025.33 is: 302,231,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,087.27 : 545,401,449.78 = 219,007,025.33 : x
  2. Step 2: Convert to fraction form
    395,216,087.27/545,401,449.78 = 219,007,025.33/x
  3. Step 3: Cross multiply
    395,216,087.27x = 545,401,449.78 × 219,007,025.33
  4. Step 4: Simplify right side
    395,216,087.27x = 119,446,749,126,987,184
  5. Step 5: Solve for x
    x = 119,446,749,126,987,184/395,216,087.27
  6. Step 6: Final answer
    x = 302,231,495.57

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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.