Home / 1,693,684,846-2,540,245,486.31-512,984,608.75

Finding the Fourth Proportional to 1,693,684,846, 2,540,245,486.31 and 512,984,608.75

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Solution

The fourth proportional to 1,693,684,846, 2,540,245,486.31 and 512,984,608.75 is: 769,391,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,684,846 : 2,540,245,486.31 = 512,984,608.75 : x
  2. Step 2: Convert to fraction form
    1,693,684,846/2,540,245,486.31 = 512,984,608.75/x
  3. Step 3: Cross multiply
    1,693,684,846x = 2,540,245,486.31 × 512,984,608.75
  4. Step 4: Simplify right side
    1,693,684,846x = 1,303,106,836,921,123,840
  5. Step 5: Solve for x
    x = 1,303,106,836,921,123,840/1,693,684,846
  6. Step 6: Final answer
    x = 769,391,566.56

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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.