Home / 395,282,888.91-545,490,375.86-219,097,354.25

Finding the Fourth Proportional to 395,282,888.91, 545,490,375.86 and 219,097,354.25

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Solution

The fourth proportional to 395,282,888.91, 545,490,375.86 and 219,097,354.25 is: 302,354,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,282,888.91 : 545,490,375.86 = 219,097,354.25 : x
  2. Step 2: Convert to fraction form
    395,282,888.91/545,490,375.86 = 219,097,354.25/x
  3. Step 3: Cross multiply
    395,282,888.91x = 545,490,375.86 × 219,097,354.25
  4. Step 4: Simplify right side
    395,282,888.91x = 119,515,498,115,941,136
  5. Step 5: Solve for x
    x = 119,515,498,115,941,136/395,282,888.91
  6. Step 6: Final answer
    x = 302,354,342.85

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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.