Home / 395,216,087.52-545,401,450.13-219,007,025.58

Finding the Fourth Proportional to 395,216,087.52, 545,401,450.13 and 219,007,025.58

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Solution

The fourth proportional to 395,216,087.52, 545,401,450.13 and 219,007,025.58 is: 302,231,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,087.52 : 545,401,450.13 = 219,007,025.58 : x
  2. Step 2: Convert to fraction form
    395,216,087.52/545,401,450.13 = 219,007,025.58/x
  3. Step 3: Cross multiply
    395,216,087.52x = 545,401,450.13 × 219,007,025.58
  4. Step 4: Simplify right side
    395,216,087.52x = 119,446,749,338,894,976
  5. Step 5: Solve for x
    x = 119,446,749,338,894,976/395,216,087.52
  6. Step 6: Final answer
    x = 302,231,495.91

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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.