Home / 607,394,159.21-838,199,766.51-328,929,310.37

Finding the Fourth Proportional to 607,394,159.21, 838,199,766.51 and 328,929,310.37

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Solution

The fourth proportional to 607,394,159.21, 838,199,766.51 and 328,929,310.37 is: 453,920,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,394,159.21 : 838,199,766.51 = 328,929,310.37 : x
  2. Step 2: Convert to fraction form
    607,394,159.21/838,199,766.51 = 328,929,310.37/x
  3. Step 3: Cross multiply
    607,394,159.21x = 838,199,766.51 × 328,929,310.37
  4. Step 4: Simplify right side
    607,394,159.21x = 275,708,471,146,238,336
  5. Step 5: Solve for x
    x = 275,708,471,146,238,336/607,394,159.21
  6. Step 6: Final answer
    x = 453,920,188.35

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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.