Home / 330,347,059.98-455,890,928.45-189,245,550.86

Finding the Fourth Proportional to 330,347,059.98, 455,890,928.45 and 189,245,550.86

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Solution

The fourth proportional to 330,347,059.98, 455,890,928.45 and 189,245,550.86 is: 261,165,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,347,059.98 : 455,890,928.45 = 189,245,550.86 : x
  2. Step 2: Convert to fraction form
    330,347,059.98/455,890,928.45 = 189,245,550.86/x
  3. Step 3: Cross multiply
    330,347,059.98x = 455,890,928.45 × 189,245,550.86
  4. Step 4: Simplify right side
    330,347,059.98x = 86,275,329,888,865,136
  5. Step 5: Solve for x
    x = 86,275,329,888,865,136/330,347,059.98
  6. Step 6: Final answer
    x = 261,165,726.42

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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.