Home / 607,394,163.72-838,199,772.72-328,929,314.88

Finding the Fourth Proportional to 607,394,163.72, 838,199,772.72 and 328,929,314.88

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Solution

The fourth proportional to 607,394,163.72, 838,199,772.72 and 328,929,314.88 is: 453,920,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,394,163.72 : 838,199,772.72 = 328,929,314.88 : x
  2. Step 2: Convert to fraction form
    607,394,163.72/838,199,772.72 = 328,929,314.88/x
  3. Step 3: Cross multiply
    607,394,163.72x = 838,199,772.72 × 328,929,314.88
  4. Step 4: Simplify right side
    607,394,163.72x = 275,708,476,973,361,312
  5. Step 5: Solve for x
    x = 275,708,476,973,361,312/607,394,163.72
  6. Step 6: Final answer
    x = 453,920,194.56

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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.