Home / 693,978,200.80-1,040,967,301.20-382,241,471.20

Finding the Fourth Proportional to 693,978,200.80, 1,040,967,301.20 and 382,241,471.20

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Solution

The fourth proportional to 693,978,200.80, 1,040,967,301.20 and 382,241,471.20 is: 573,362,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,978,200.80 : 1,040,967,301.20 = 382,241,471.20 : x
  2. Step 2: Convert to fraction form
    693,978,200.80/1,040,967,301.20 = 382,241,471.20/x
  3. Step 3: Cross multiply
    693,978,200.80x = 1,040,967,301.20 × 382,241,471.20
  4. Step 4: Simplify right side
    693,978,200.80x = 397,900,872,681,781,504
  5. Step 5: Solve for x
    x = 397,900,872,681,781,504/693,978,200.80
  6. Step 6: Final answer
    x = 573,362,206.80

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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.