Home / 510,010,341.60-765,015,512.40-305,936,997.60

Finding the Fourth Proportional to 510,010,341.60, 765,015,512.40 and 305,936,997.60

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Solution

The fourth proportional to 510,010,341.60, 765,015,512.40 and 305,936,997.60 is: 458,905,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,010,341.60 : 765,015,512.40 = 305,936,997.60 : x
  2. Step 2: Convert to fraction form
    510,010,341.60/765,015,512.40 = 305,936,997.60/x
  3. Step 3: Cross multiply
    510,010,341.60x = 765,015,512.40 × 305,936,997.60
  4. Step 4: Simplify right side
    510,010,341.60x = 234,046,548,981,081,568
  5. Step 5: Solve for x
    x = 234,046,548,981,081,568/510,010,341.60
  6. Step 6: Final answer
    x = 458,905,496.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.