Home / 510,010,343.60-765,015,515.40-305,936,999.60

Finding the Fourth Proportional to 510,010,343.60, 765,015,515.40 and 305,936,999.60

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Solution

The fourth proportional to 510,010,343.60, 765,015,515.40 and 305,936,999.60 is: 458,905,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,010,343.60 : 765,015,515.40 = 305,936,999.60 : x
  2. Step 2: Convert to fraction form
    510,010,343.60/765,015,515.40 = 305,936,999.60/x
  3. Step 3: Cross multiply
    510,010,343.60x = 765,015,515.40 × 305,936,999.60
  4. Step 4: Simplify right side
    510,010,343.60x = 234,046,551,428,923,616
  5. Step 5: Solve for x
    x = 234,046,551,428,923,616/510,010,343.60
  6. Step 6: Final answer
    x = 458,905,499.40

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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.