Home / 911,147,858,478.38-1,365,765,067,191.20-306,563,168,119.76

Finding the Fourth Proportional to 911,147,858,478.38, 1,365,765,067,191.20 and 306,563,168,119.76

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Solution

The fourth proportional to 911,147,858,478.38, 1,365,765,067,191.20 and 306,563,168,119.76 is: 459,522,855,713.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,147,858,478.38 : 1,365,765,067,191.20 = 306,563,168,119.76 : x
  2. Step 2: Convert to fraction form
    911,147,858,478.38/1,365,765,067,191.20 = 306,563,168,119.76/x
  3. Step 3: Cross multiply
    911,147,858,478.38x = 1,365,765,067,191.20 × 306,563,168,119.76
  4. Step 4: Simplify right side
    911,147,858,478.38x = 418,693,265,905,431,175,233,536
  5. Step 5: Solve for x
    x = 418,693,265,905,431,175,233,536/911,147,858,478.38
  6. Step 6: Final answer
    x = 459,522,855,713.73

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Double scale
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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.