Home / 395,216,086.52-545,401,448.75-219,007,024.58

Finding the Fourth Proportional to 395,216,086.52, 545,401,448.75 and 219,007,024.58

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Solution

The fourth proportional to 395,216,086.52, 545,401,448.75 and 219,007,024.58 is: 302,231,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,086.52 : 545,401,448.75 = 219,007,024.58 : x
  2. Step 2: Convert to fraction form
    395,216,086.52/545,401,448.75 = 219,007,024.58/x
  3. Step 3: Cross multiply
    395,216,086.52x = 545,401,448.75 × 219,007,024.58
  4. Step 4: Simplify right side
    395,216,086.52x = 119,446,748,491,263,840
  5. Step 5: Solve for x
    x = 119,446,748,491,263,840/395,216,086.52
  6. Step 6: Final answer
    x = 302,231,494.53

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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.