Home / 395,178,502.80-545,345,797.28-218,977,910.08

Finding the Fourth Proportional to 395,178,502.80, 545,345,797.28 and 218,977,910.08

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Solution

The fourth proportional to 395,178,502.80, 545,345,797.28 and 218,977,910.08 is: 302,189,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,178,502.80 : 545,345,797.28 = 218,977,910.08 : x
  2. Step 2: Convert to fraction form
    395,178,502.80/545,345,797.28 = 218,977,910.08/x
  3. Step 3: Cross multiply
    395,178,502.80x = 545,345,797.28 × 218,977,910.08
  4. Step 4: Simplify right side
    395,178,502.80x = 119,418,682,959,285,744
  5. Step 5: Solve for x
    x = 119,418,682,959,285,744/395,178,502.80
  6. Step 6: Final answer
    x = 302,189,218.58

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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.