Home / 607,394,617.20-838,200,397.44-328,929,768.36

Finding the Fourth Proportional to 607,394,617.20, 838,200,397.44 and 328,929,768.36

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Solution

The fourth proportional to 607,394,617.20, 838,200,397.44 and 328,929,768.36 is: 453,920,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,394,617.20 : 838,200,397.44 = 328,929,768.36 : x
  2. Step 2: Convert to fraction form
    607,394,617.20/838,200,397.44 = 328,929,768.36/x
  3. Step 3: Cross multiply
    607,394,617.20x = 838,200,397.44 × 328,929,768.36
  4. Step 4: Simplify right side
    607,394,617.20x = 275,709,062,569,199,168
  5. Step 5: Solve for x
    x = 275,709,062,569,199,168/607,394,617.20
  6. Step 6: Final answer
    x = 453,920,819.78

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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.