Home / 681,080,327.25-939,890,815.63-367,814,511.04

Finding the Fourth Proportional to 681,080,327.25, 939,890,815.63 and 367,814,511.04

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Solution

The fourth proportional to 681,080,327.25, 939,890,815.63 and 367,814,511.04 is: 507,584,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,080,327.25 : 939,890,815.63 = 367,814,511.04 : x
  2. Step 2: Convert to fraction form
    681,080,327.25/939,890,815.63 = 367,814,511.04/x
  3. Step 3: Cross multiply
    681,080,327.25x = 939,890,815.63 × 367,814,511.04
  4. Step 4: Simplify right side
    681,080,327.25x = 345,705,480,775,396,736
  5. Step 5: Solve for x
    x = 345,705,480,775,396,736/681,080,327.25
  6. Step 6: Final answer
    x = 507,584,005.80

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1.5x scale

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.