Home / 681,080,403.60-939,890,921.22-367,814,587.32

Finding the Fourth Proportional to 681,080,403.60, 939,890,921.22 and 367,814,587.32

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Solution

The fourth proportional to 681,080,403.60, 939,890,921.22 and 367,814,587.32 is: 507,584,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,080,403.60 : 939,890,921.22 = 367,814,587.32 : x
  2. Step 2: Convert to fraction form
    681,080,403.60/939,890,921.22 = 367,814,587.32/x
  3. Step 3: Cross multiply
    681,080,403.60x = 939,890,921.22 × 367,814,587.32
  4. Step 4: Simplify right side
    681,080,403.60x = 345,705,591,314,348,928
  5. Step 5: Solve for x
    x = 345,705,591,314,348,928/681,080,403.60
  6. Step 6: Final answer
    x = 507,584,111.20

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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.