Home / 395,216,061.75-545,401,414.47-219,006,999.75

Finding the Fourth Proportional to 395,216,061.75, 545,401,414.47 and 219,006,999.75

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Solution

The fourth proportional to 395,216,061.75, 545,401,414.47 and 219,006,999.75 is: 302,231,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,061.75 : 545,401,414.47 = 219,006,999.75 : x
  2. Step 2: Convert to fraction form
    395,216,061.75/545,401,414.47 = 219,006,999.75/x
  3. Step 3: Cross multiply
    395,216,061.75x = 545,401,414.47 × 219,006,999.75
  4. Step 4: Simplify right side
    395,216,061.75x = 119,446,727,442,480,944
  5. Step 5: Solve for x
    x = 119,446,727,442,480,944/395,216,061.75
  6. Step 6: Final answer
    x = 302,231,460.21

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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.