Home / 2,720,149,231.10-4,080,223,846.65-996,639,266.30

Finding the Fourth Proportional to 2,720,149,231.10, 4,080,223,846.65 and 996,639,266.30

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Solution

The fourth proportional to 2,720,149,231.10, 4,080,223,846.65 and 996,639,266.30 is: 1,494,958,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,149,231.10 : 4,080,223,846.65 = 996,639,266.30 : x
  2. Step 2: Convert to fraction form
    2,720,149,231.10/4,080,223,846.65 = 996,639,266.30/x
  3. Step 3: Cross multiply
    2,720,149,231.10x = 4,080,223,846.65 × 996,639,266.30
  4. Step 4: Simplify right side
    2,720,149,231.10x = 4,066,511,300,865,019,392
  5. Step 5: Solve for x
    x = 4,066,511,300,865,019,392/2,720,149,231.10
  6. Step 6: Final answer
    x = 1,494,958,899.45

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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.