Home / 387,027,542.40-579,745,051.20-195,659,145.60

Finding the Fourth Proportional to 387,027,542.40, 579,745,051.20 and 195,659,145.60

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Solution

The fourth proportional to 387,027,542.40, 579,745,051.20 and 195,659,145.60 is: 293,086,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,027,542.40 : 579,745,051.20 = 195,659,145.60 : x
  2. Step 2: Convert to fraction form
    387,027,542.40/579,745,051.20 = 195,659,145.60/x
  3. Step 3: Cross multiply
    387,027,542.40x = 579,745,051.20 × 195,659,145.60
  4. Step 4: Simplify right side
    387,027,542.40x = 113,432,421,383,620,256
  5. Step 5: Solve for x
    x = 113,432,421,383,620,256/387,027,542.40
  6. Step 6: Final answer
    x = 293,086,173.35

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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.