Home / 1,693,684,847-2,540,245,487.80-512,984,609.75

Finding the Fourth Proportional to 1,693,684,847, 2,540,245,487.80 and 512,984,609.75

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Solution

The fourth proportional to 1,693,684,847, 2,540,245,487.80 and 512,984,609.75 is: 769,391,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,684,847 : 2,540,245,487.80 = 512,984,609.75 : x
  2. Step 2: Convert to fraction form
    1,693,684,847/2,540,245,487.80 = 512,984,609.75/x
  3. Step 3: Cross multiply
    1,693,684,847x = 2,540,245,487.80 × 512,984,609.75
  4. Step 4: Simplify right side
    1,693,684,847x = 1,303,106,840,228,281,600
  5. Step 5: Solve for x
    x = 1,303,106,840,228,281,600/1,693,684,847
  6. Step 6: Final answer
    x = 769,391,568.06

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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.