Home / 395,216,060.25-545,401,412.40-219,006,998.25

Finding the Fourth Proportional to 395,216,060.25, 545,401,412.40 and 219,006,998.25

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Solution

The fourth proportional to 395,216,060.25, 545,401,412.40 and 219,006,998.25 is: 302,231,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,060.25 : 545,401,412.40 = 219,006,998.25 : x
  2. Step 2: Convert to fraction form
    395,216,060.25/545,401,412.40 = 219,006,998.25/x
  3. Step 3: Cross multiply
    395,216,060.25x = 545,401,412.40 × 219,006,998.25
  4. Step 4: Simplify right side
    395,216,060.25x = 119,446,726,171,034,320
  5. Step 5: Solve for x
    x = 119,446,726,171,034,320/395,216,060.25
  6. Step 6: Final answer
    x = 302,231,458.14

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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.