Home / 681,080,328.25-939,890,817.01-367,814,512.04

Finding the Fourth Proportional to 681,080,328.25, 939,890,817.01 and 367,814,512.04

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Solution

The fourth proportional to 681,080,328.25, 939,890,817.01 and 367,814,512.04 is: 507,584,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,080,328.25 : 939,890,817.01 = 367,814,512.04 : x
  2. Step 2: Convert to fraction form
    681,080,328.25/939,890,817.01 = 367,814,512.04/x
  3. Step 3: Cross multiply
    681,080,328.25x = 939,890,817.01 × 367,814,512.04
  4. Step 4: Simplify right side
    681,080,328.25x = 345,705,482,229,410,112
  5. Step 5: Solve for x
    x = 345,705,482,229,410,112/681,080,328.25
  6. Step 6: Final answer
    x = 507,584,007.19

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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.