Home / 493,109,634.91-739,646,513.20-148,054,293.85

Finding the Fourth Proportional to 493,109,634.91, 739,646,513.20 and 148,054,293.85

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Solution

The fourth proportional to 493,109,634.91, 739,646,513.20 and 148,054,293.85 is: 222,076,054.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,109,634.91 : 739,646,513.20 = 148,054,293.85 : x
  2. Step 2: Convert to fraction form
    493,109,634.91/739,646,513.20 = 148,054,293.85/x
  3. Step 3: Cross multiply
    493,109,634.91x = 739,646,513.20 × 148,054,293.85
  4. Step 4: Simplify right side
    493,109,634.91x = 109,507,842,210,440,704
  5. Step 5: Solve for x
    x = 109,507,842,210,440,704/493,109,634.91
  6. Step 6: Final answer
    x = 222,076,054.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.